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Finding the Fourth Proportional to 337,718.86, 506,578.18 and 127,307.59

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Solution

The fourth proportional to 337,718.86, 506,578.18 and 127,307.59 is: 190,961.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,718.86 : 506,578.18 = 127,307.59 : x
  2. Step 2: Convert to fraction form
    337,718.86/506,578.18 = 127,307.59/x
  3. Step 3: Cross multiply
    337,718.86x = 506,578.18 × 127,307.59
  4. Step 4: Simplify right side
    337,718.86x = 64,491,247,242.39
  5. Step 5: Solve for x
    x = 64,491,247,242.39/337,718.86
  6. Step 6: Final answer
    x = 190,961.34

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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.