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Finding the Fourth Proportional to 337,718.74, 506,578 and 127,307.47

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Solution

The fourth proportional to 337,718.74, 506,578 and 127,307.47 is: 190,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,718.74 : 506,578 = 127,307.47 : x
  2. Step 2: Convert to fraction form
    337,718.74/506,578 = 127,307.47/x
  3. Step 3: Cross multiply
    337,718.74x = 506,578 × 127,307.47
  4. Step 4: Simplify right side
    337,718.74x = 64,491,163,537.66
  5. Step 5: Solve for x
    x = 64,491,163,537.66/337,718.74
  6. Step 6: Final answer
    x = 190,961.16

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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.