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Finding the Fourth Proportional to 337,718.61, 506,577.81 and 127,307.34

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Solution

The fourth proportional to 337,718.61, 506,577.81 and 127,307.34 is: 190,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,718.61 : 506,577.81 = 127,307.34 : x
  2. Step 2: Convert to fraction form
    337,718.61/506,577.81 = 127,307.34/x
  3. Step 3: Cross multiply
    337,718.61x = 506,577.81 × 127,307.34
  4. Step 4: Simplify right side
    337,718.61x = 64,491,073,494.13
  5. Step 5: Solve for x
    x = 64,491,073,494.13/337,718.61
  6. Step 6: Final answer
    x = 190,960.97

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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.