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Finding the Fourth Proportional to 488,001.40, 732,122.10 and 168,158.20

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Solution

The fourth proportional to 488,001.40, 732,122.10 and 168,158.20 is: 252,278.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,001.40 : 732,122.10 = 168,158.20 : x
  2. Step 2: Convert to fraction form
    488,001.40/732,122.10 = 168,158.20/x
  3. Step 3: Cross multiply
    488,001.40x = 732,122.10 × 168,158.20
  4. Step 4: Simplify right side
    488,001.40x = 123,112,334,516.22
  5. Step 5: Solve for x
    x = 123,112,334,516.22/488,001.40
  6. Step 6: Final answer
    x = 252,278.65

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1.5x scale

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.