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Finding the Fourth Proportional to 332,634.60, 498,951.90 and 155,159.55

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Solution

The fourth proportional to 332,634.60, 498,951.90 and 155,159.55 is: 232,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,634.60 : 498,951.90 = 155,159.55 : x
  2. Step 2: Convert to fraction form
    332,634.60/498,951.90 = 155,159.55/x
  3. Step 3: Cross multiply
    332,634.60x = 498,951.90 × 155,159.55
  4. Step 4: Simplify right side
    332,634.60x = 77,417,152,275.65
  5. Step 5: Solve for x
    x = 77,417,152,275.65/332,634.60
  6. Step 6: Final answer
    x = 232,739.33

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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.