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Finding the Fourth Proportional to 488,473.32, 732,987.10 and 207,961.32

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Solution

The fourth proportional to 488,473.32, 732,987.10 and 207,961.32 is: 312,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,473.32 : 732,987.10 = 207,961.32 : x
  2. Step 2: Convert to fraction form
    488,473.32/732,987.10 = 207,961.32/x
  3. Step 3: Cross multiply
    488,473.32x = 732,987.10 × 207,961.32
  4. Step 4: Simplify right side
    488,473.32x = 152,432,964,858.97
  5. Step 5: Solve for x
    x = 152,432,964,858.97/488,473.32
  6. Step 6: Final answer
    x = 312,059.96

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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.