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Finding the Fourth Proportional to 653,544.06, 979,619.13 and 372,456.06

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Solution

The fourth proportional to 653,544.06, 979,619.13 and 372,456.06 is: 558,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,544.06 : 979,619.13 = 372,456.06 : x
  2. Step 2: Convert to fraction form
    653,544.06/979,619.13 = 372,456.06/x
  3. Step 3: Cross multiply
    653,544.06x = 979,619.13 × 372,456.06
  4. Step 4: Simplify right side
    653,544.06x = 364,865,081,460.43
  5. Step 5: Solve for x
    x = 364,865,081,460.43/653,544.06
  6. Step 6: Final answer
    x = 558,286.89

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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.