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Finding the Fourth Proportional to 659,511.22, 988,934.19 and 469,863.22

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Solution

The fourth proportional to 659,511.22, 988,934.19 and 469,863.22 is: 704,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,511.22 : 988,934.19 = 469,863.22 : x
  2. Step 2: Convert to fraction form
    659,511.22/988,934.19 = 469,863.22/x
  3. Step 3: Cross multiply
    659,511.22x = 988,934.19 × 469,863.22
  4. Step 4: Simplify right side
    659,511.22x = 464,663,802,881.49
  5. Step 5: Solve for x
    x = 464,663,802,881.49/659,511.22
  6. Step 6: Final answer
    x = 704,557.84

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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.