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Finding the Fourth Proportional to 337,862.40, 506,728.80 and 101,212.80

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Solution

The fourth proportional to 337,862.40, 506,728.80 and 101,212.80 is: 151,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,862.40 : 506,728.80 = 101,212.80 : x
  2. Step 2: Convert to fraction form
    337,862.40/506,728.80 = 101,212.80/x
  3. Step 3: Cross multiply
    337,862.40x = 506,728.80 × 101,212.80
  4. Step 4: Simplify right side
    337,862.40x = 51,287,440,688.64
  5. Step 5: Solve for x
    x = 51,287,440,688.64/337,862.40
  6. Step 6: Final answer
    x = 151,799.79

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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.