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Finding the Fourth Proportional to 322,429.60, 483,644.40 and 247,925.80

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Solution

The fourth proportional to 322,429.60, 483,644.40 and 247,925.80 is: 371,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,429.60 : 483,644.40 = 247,925.80 : x
  2. Step 2: Convert to fraction form
    322,429.60/483,644.40 = 247,925.80/x
  3. Step 3: Cross multiply
    322,429.60x = 483,644.40 × 247,925.80
  4. Step 4: Simplify right side
    322,429.60x = 119,907,924,785.52
  5. Step 5: Solve for x
    x = 119,907,924,785.52/322,429.60
  6. Step 6: Final answer
    x = 371,888.70

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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.