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Finding the Fourth Proportional to 674,462.47, 930,730.44 and 368,549.35

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Solution

The fourth proportional to 674,462.47, 930,730.44 and 368,549.35 is: 508,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,462.47 : 930,730.44 = 368,549.35 : x
  2. Step 2: Convert to fraction form
    674,462.47/930,730.44 = 368,549.35/x
  3. Step 3: Cross multiply
    674,462.47x = 930,730.44 × 368,549.35
  4. Step 4: Simplify right side
    674,462.47x = 343,020,098,687.21
  5. Step 5: Solve for x
    x = 343,020,098,687.21/674,462.47
  6. Step 6: Final answer
    x = 508,582.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.