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Finding the Fourth Proportional to 488,020.40, 732,150.60 and 168,177.20

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Solution

The fourth proportional to 488,020.40, 732,150.60 and 168,177.20 is: 252,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,020.40 : 732,150.60 = 168,177.20 : x
  2. Step 2: Convert to fraction form
    488,020.40/732,150.60 = 168,177.20/x
  3. Step 3: Cross multiply
    488,020.40x = 732,150.60 × 168,177.20
  4. Step 4: Simplify right side
    488,020.40x = 123,131,037,886.32
  5. Step 5: Solve for x
    x = 123,131,037,886.32/488,020.40
  6. Step 6: Final answer
    x = 252,307.15

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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.