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Finding the Fourth Proportional to 501,688.48, 752,778.72 and 235,470.64

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Solution

The fourth proportional to 501,688.48, 752,778.72 and 235,470.64 is: 353,321.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,688.48 : 752,778.72 = 235,470.64 : x
  2. Step 2: Convert to fraction form
    501,688.48/752,778.72 = 235,470.64/x
  3. Step 3: Cross multiply
    501,688.48x = 752,778.72 × 235,470.64
  4. Step 4: Simplify right side
    501,688.48x = 177,257,286,976.78
  5. Step 5: Solve for x
    x = 177,257,286,976.78/501,688.48
  6. Step 6: Final answer
    x = 353,321.42

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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.