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Finding the Fourth Proportional to 372,832.52, 514,345.21 and 251,929.76

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Solution

The fourth proportional to 372,832.52, 514,345.21 and 251,929.76 is: 347,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,832.52 : 514,345.21 = 251,929.76 : x
  2. Step 2: Convert to fraction form
    372,832.52/514,345.21 = 251,929.76/x
  3. Step 3: Cross multiply
    372,832.52x = 514,345.21 × 251,929.76
  4. Step 4: Simplify right side
    372,832.52x = 129,578,862,110.90
  5. Step 5: Solve for x
    x = 129,578,862,110.90/372,832.52
  6. Step 6: Final answer
    x = 347,552.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.