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Finding the Fourth Proportional to 622,089.80, 933,134.70 and 222,743.60

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Solution

The fourth proportional to 622,089.80, 933,134.70 and 222,743.60 is: 334,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,089.80 : 933,134.70 = 222,743.60 : x
  2. Step 2: Convert to fraction form
    622,089.80/933,134.70 = 222,743.60/x
  3. Step 3: Cross multiply
    622,089.80x = 933,134.70 × 222,743.60
  4. Step 4: Simplify right side
    622,089.80x = 207,849,782,362.92
  5. Step 5: Solve for x
    x = 207,849,782,362.92/622,089.80
  6. Step 6: Final answer
    x = 334,115.40

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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.