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Finding the Fourth Proportional to 337,720.40, 506,515.80 and 101,070.80

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Solution

The fourth proportional to 337,720.40, 506,515.80 and 101,070.80 is: 151,586.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,720.40 : 506,515.80 = 101,070.80 : x
  2. Step 2: Convert to fraction form
    337,720.40/506,515.80 = 101,070.80/x
  3. Step 3: Cross multiply
    337,720.40x = 506,515.80 × 101,070.80
  4. Step 4: Simplify right side
    337,720.40x = 51,193,957,118.64
  5. Step 5: Solve for x
    x = 51,193,957,118.64/337,720.40
  6. Step 6: Final answer
    x = 151,586.81

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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.