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Finding the Fourth Proportional to 337,720.74, 506,581 and 127,309.47

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Solution

The fourth proportional to 337,720.74, 506,581 and 127,309.47 is: 190,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,720.74 : 506,581 = 127,309.47 : x
  2. Step 2: Convert to fraction form
    337,720.74/506,581 = 127,309.47/x
  3. Step 3: Cross multiply
    337,720.74x = 506,581 × 127,309.47
  4. Step 4: Simplify right side
    337,720.74x = 64,492,558,622.07
  5. Step 5: Solve for x
    x = 64,492,558,622.07/337,720.74
  6. Step 6: Final answer
    x = 190,964.16

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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.