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Finding the Fourth Proportional to 337,720.43, 506,580.53 and 127,309.16

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Solution

The fourth proportional to 337,720.43, 506,580.53 and 127,309.16 is: 190,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,720.43 : 506,580.53 = 127,309.16 : x
  2. Step 2: Convert to fraction form
    337,720.43/506,580.53 = 127,309.16/x
  3. Step 3: Cross multiply
    337,720.43x = 506,580.53 × 127,309.16
  4. Step 4: Simplify right side
    337,720.43x = 64,492,339,213.75
  5. Step 5: Solve for x
    x = 64,492,339,213.75/337,720.43
  6. Step 6: Final answer
    x = 190,963.69

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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.