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Finding the Fourth Proportional to 492,257.52, 738,104.40 and 292,717.26

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Solution

The fourth proportional to 492,257.52, 738,104.40 and 292,717.26 is: 438,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,257.52 : 738,104.40 = 292,717.26 : x
  2. Step 2: Convert to fraction form
    492,257.52/738,104.40 = 292,717.26/x
  3. Step 3: Cross multiply
    492,257.52x = 738,104.40 × 292,717.26
  4. Step 4: Simplify right side
    492,257.52x = 216,055,897,561.94
  5. Step 5: Solve for x
    x = 216,055,897,561.94/492,257.52
  6. Step 6: Final answer
    x = 438,908.27

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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.