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Finding the Fourth Proportional to 674,349.17, 930,666.20 and 368,472.02

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Solution

The fourth proportional to 674,349.17, 930,666.20 and 368,472.02 is: 508,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,349.17 : 930,666.20 = 368,472.02 : x
  2. Step 2: Convert to fraction form
    674,349.17/930,666.20 = 368,472.02/x
  3. Step 3: Cross multiply
    674,349.17x = 930,666.20 × 368,472.02
  4. Step 4: Simplify right side
    674,349.17x = 342,924,448,164.03
  5. Step 5: Solve for x
    x = 342,924,448,164.03/674,349.17
  6. Step 6: Final answer
    x = 508,526.54

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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.