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Finding the Fourth Proportional to 579,549.95, 869,324.93 and 366,973.55

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Solution

The fourth proportional to 579,549.95, 869,324.93 and 366,973.55 is: 550,460.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,549.95 : 869,324.93 = 366,973.55 : x
  2. Step 2: Convert to fraction form
    579,549.95/869,324.93 = 366,973.55/x
  3. Step 3: Cross multiply
    579,549.95x = 869,324.93 × 366,973.55
  4. Step 4: Simplify right side
    579,549.95x = 319,019,255,665.60
  5. Step 5: Solve for x
    x = 319,019,255,665.60/579,549.95
  6. Step 6: Final answer
    x = 550,460.33

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Half scale
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Double scale
Find fourth proportional to 579,550.95, 869,326.43 and 366,974.55
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.