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Finding the Fourth Proportional to 484,145.60, 725,959.20 and 203,345.60

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Solution

The fourth proportional to 484,145.60, 725,959.20 and 203,345.60 is: 304,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,145.60 : 725,959.20 = 203,345.60 : x
  2. Step 2: Convert to fraction form
    484,145.60/725,959.20 = 203,345.60/x
  3. Step 3: Cross multiply
    484,145.60x = 725,959.20 × 203,345.60
  4. Step 4: Simplify right side
    484,145.60x = 147,620,609,099.52
  5. Step 5: Solve for x
    x = 147,620,609,099.52/484,145.60
  6. Step 6: Final answer
    x = 304,909.53

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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.