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Finding the Fourth Proportional to 337,490.20, 506,308.20 and 100,856.80

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Solution

The fourth proportional to 337,490.20, 506,308.20 and 100,856.80 is: 151,306.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,490.20 : 506,308.20 = 100,856.80 : x
  2. Step 2: Convert to fraction form
    337,490.20/506,308.20 = 100,856.80/x
  3. Step 3: Cross multiply
    337,490.20x = 506,308.20 × 100,856.80
  4. Step 4: Simplify right side
    337,490.20x = 51,064,624,865.76
  5. Step 5: Solve for x
    x = 51,064,624,865.76/337,490.20
  6. Step 6: Final answer
    x = 151,306.99

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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.