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Finding the Fourth Proportional to 448,654.30, 672,750.60 and 133,070.20

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Solution

The fourth proportional to 448,654.30, 672,750.60 and 133,070.20 is: 199,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,654.30 : 672,750.60 = 133,070.20 : x
  2. Step 2: Convert to fraction form
    448,654.30/672,750.60 = 133,070.20/x
  3. Step 3: Cross multiply
    448,654.30x = 672,750.60 × 133,070.20
  4. Step 4: Simplify right side
    448,654.30x = 89,523,056,892.12
  5. Step 5: Solve for x
    x = 89,523,056,892.12/448,654.30
  6. Step 6: Final answer
    x = 199,536.83

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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.