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Finding the Fourth Proportional to 613,957.60, 921,083.87 and 234,872.14

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Solution

The fourth proportional to 613,957.60, 921,083.87 and 234,872.14 is: 352,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,957.60 : 921,083.87 = 234,872.14 : x
  2. Step 2: Convert to fraction form
    613,957.60/921,083.87 = 234,872.14/x
  3. Step 3: Cross multiply
    613,957.60x = 921,083.87 × 234,872.14
  4. Step 4: Simplify right side
    613,957.60x = 216,336,933,886.60
  5. Step 5: Solve for x
    x = 216,336,933,886.60/613,957.60
  6. Step 6: Final answer
    x = 352,364.62

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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.