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Finding the Fourth Proportional to 417,307.62, 626,007.46 and 132,932.02

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Solution

The fourth proportional to 417,307.62, 626,007.46 and 132,932.02 is: 199,412.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,307.62 : 626,007.46 = 132,932.02 : x
  2. Step 2: Convert to fraction form
    417,307.62/626,007.46 = 132,932.02/x
  3. Step 3: Cross multiply
    417,307.62x = 626,007.46 × 132,932.02
  4. Step 4: Simplify right side
    417,307.62x = 83,216,436,192.87
  5. Step 5: Solve for x
    x = 83,216,436,192.87/417,307.62
  6. Step 6: Final answer
    x = 199,412.69

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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.