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Finding the Fourth Proportional to 488,511.88, 732,587.90 and 168,582.13

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Solution

The fourth proportional to 488,511.88, 732,587.90 and 168,582.13 is: 252,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,511.88 : 732,587.90 = 168,582.13 : x
  2. Step 2: Convert to fraction form
    488,511.88/732,587.90 = 168,582.13/x
  3. Step 3: Cross multiply
    488,511.88x = 732,587.90 × 168,582.13
  4. Step 4: Simplify right side
    488,511.88x = 123,501,225,919.85
  5. Step 5: Solve for x
    x = 123,501,225,919.85/488,511.88
  6. Step 6: Final answer
    x = 252,811.10

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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.