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Finding the Fourth Proportional to 372,484.68, 514,038.96 and 229,326.18

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Solution

The fourth proportional to 372,484.68, 514,038.96 and 229,326.18 is: 316,476.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,484.68 : 514,038.96 = 229,326.18 : x
  2. Step 2: Convert to fraction form
    372,484.68/514,038.96 = 229,326.18/x
  3. Step 3: Cross multiply
    372,484.68x = 514,038.96 × 229,326.18
  4. Step 4: Simplify right side
    372,484.68x = 117,882,591,067.97
  5. Step 5: Solve for x
    x = 117,882,591,067.97/372,484.68
  6. Step 6: Final answer
    x = 316,476.35

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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.