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Finding the Fourth Proportional to 492,258.52, 738,105.90 and 292,718.26

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Solution

The fourth proportional to 492,258.52, 738,105.90 and 292,718.26 is: 438,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,258.52 : 738,105.90 = 292,718.26 : x
  2. Step 2: Convert to fraction form
    492,258.52/738,105.90 = 292,718.26/x
  3. Step 3: Cross multiply
    492,258.52x = 738,105.90 × 292,718.26
  4. Step 4: Simplify right side
    492,258.52x = 216,057,074,743.73
  5. Step 5: Solve for x
    x = 216,057,074,743.73/492,258.52
  6. Step 6: Final answer
    x = 438,909.77

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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.