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Finding the Fourth Proportional to 444,901.07, 667,465.52 and 129,358.08

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Solution

The fourth proportional to 444,901.07, 667,465.52 and 129,358.08 is: 194,070.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,901.07 : 667,465.52 = 129,358.08 : x
  2. Step 2: Convert to fraction form
    444,901.07/667,465.52 = 129,358.08/x
  3. Step 3: Cross multiply
    444,901.07x = 667,465.52 × 129,358.08
  4. Step 4: Simplify right side
    444,901.07x = 86,342,057,486.61
  5. Step 5: Solve for x
    x = 86,342,057,486.61/444,901.07
  6. Step 6: Final answer
    x = 194,070.24

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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.