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Finding the Fourth Proportional to 353,377.92, 487,862.64 and 232,869.36

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Solution

The fourth proportional to 353,377.92, 487,862.64 and 232,869.36 is: 321,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,377.92 : 487,862.64 = 232,869.36 : x
  2. Step 2: Convert to fraction form
    353,377.92/487,862.64 = 232,869.36/x
  3. Step 3: Cross multiply
    353,377.92x = 487,862.64 × 232,869.36
  4. Step 4: Simplify right side
    353,377.92x = 113,608,260,744.71
  5. Step 5: Solve for x
    x = 113,608,260,744.71/353,377.92
  6. Step 6: Final answer
    x = 321,492.24

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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.