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Finding the Fourth Proportional to 399,627.10, 599,677.07 and 147,084.96

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Solution

The fourth proportional to 399,627.10, 599,677.07 and 147,084.96 is: 220,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,627.10 : 599,677.07 = 147,084.96 : x
  2. Step 2: Convert to fraction form
    399,627.10/599,677.07 = 147,084.96/x
  3. Step 3: Cross multiply
    399,627.10x = 599,677.07 × 147,084.96
  4. Step 4: Simplify right side
    399,627.10x = 88,203,480,194.58
  5. Step 5: Solve for x
    x = 88,203,480,194.58/399,627.10
  6. Step 6: Final answer
    x = 220,714.46

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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.