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Finding the Fourth Proportional to 337,538.40, 506,307.60 and 319,167.60

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Solution

The fourth proportional to 337,538.40, 506,307.60 and 319,167.60 is: 478,751.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,538.40 : 506,307.60 = 319,167.60 : x
  2. Step 2: Convert to fraction form
    337,538.40/506,307.60 = 319,167.60/x
  3. Step 3: Cross multiply
    337,538.40x = 506,307.60 × 319,167.60
  4. Step 4: Simplify right side
    337,538.40x = 161,596,981,553.76
  5. Step 5: Solve for x
    x = 161,596,981,553.76/337,538.40
  6. Step 6: Final answer
    x = 478,751.40

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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.