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Finding the Fourth Proportional to 400,967.73, 553,125.33 and 247,957.11

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Solution

The fourth proportional to 400,967.73, 553,125.33 and 247,957.11 is: 342,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,967.73 : 553,125.33 = 247,957.11 : x
  2. Step 2: Convert to fraction form
    400,967.73/553,125.33 = 247,957.11/x
  3. Step 3: Cross multiply
    400,967.73x = 553,125.33 × 247,957.11
  4. Step 4: Simplify right side
    400,967.73x = 137,151,358,294.60
  5. Step 5: Solve for x
    x = 137,151,358,294.60/400,967.73
  6. Step 6: Final answer
    x = 342,050.86

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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.