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Finding the Fourth Proportional to 606,808.20, 908,138.70 and 532,158.60

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Solution

The fourth proportional to 606,808.20, 908,138.70 and 532,158.60 is: 796,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,808.20 : 908,138.70 = 532,158.60 : x
  2. Step 2: Convert to fraction form
    606,808.20/908,138.70 = 532,158.60/x
  3. Step 3: Cross multiply
    606,808.20x = 908,138.70 × 532,158.60
  4. Step 4: Simplify right side
    606,808.20x = 483,273,819,197.82
  5. Step 5: Solve for x
    x = 483,273,819,197.82/606,808.20
  6. Step 6: Final answer
    x = 796,419.39

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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.