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Finding the Fourth Proportional to 567,007.40, 851,167.20 and 327,312.20

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Solution

The fourth proportional to 567,007.40, 851,167.20 and 327,312.20 is: 491,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,007.40 : 851,167.20 = 327,312.20 : x
  2. Step 2: Convert to fraction form
    567,007.40/851,167.20 = 327,312.20/x
  3. Step 3: Cross multiply
    567,007.40x = 851,167.20 × 327,312.20
  4. Step 4: Simplify right side
    567,007.40x = 278,597,408,799.84
  5. Step 5: Solve for x
    x = 278,597,408,799.84/567,007.40
  6. Step 6: Final answer
    x = 491,347.04

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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.