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Finding the Fourth Proportional to 484,419.60, 726,396.12 and 168,869.52

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Solution

The fourth proportional to 484,419.60, 726,396.12 and 168,869.52 is: 253,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,419.60 : 726,396.12 = 168,869.52 : x
  2. Step 2: Convert to fraction form
    484,419.60/726,396.12 = 168,869.52/x
  3. Step 3: Cross multiply
    484,419.60x = 726,396.12 × 168,869.52
  4. Step 4: Simplify right side
    484,419.60x = 122,666,164,114.26
  5. Step 5: Solve for x
    x = 122,666,164,114.26/484,419.60
  6. Step 6: Final answer
    x = 253,222.96

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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.