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Finding the Fourth Proportional to 484,137.60, 725,947.20 and 203,337.60

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Solution

The fourth proportional to 484,137.60, 725,947.20 and 203,337.60 is: 304,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,137.60 : 725,947.20 = 203,337.60 : x
  2. Step 2: Convert to fraction form
    484,137.60/725,947.20 = 203,337.60/x
  3. Step 3: Cross multiply
    484,137.60x = 725,947.20 × 203,337.60
  4. Step 4: Simplify right side
    484,137.60x = 147,612,361,374.72
  5. Step 5: Solve for x
    x = 147,612,361,374.72/484,137.60
  6. Step 6: Final answer
    x = 304,897.54

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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.