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Finding the Fourth Proportional to 569,572.80, 854,294.40 and 148,891.20

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Solution

The fourth proportional to 569,572.80, 854,294.40 and 148,891.20 is: 223,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,572.80 : 854,294.40 = 148,891.20 : x
  2. Step 2: Convert to fraction form
    569,572.80/854,294.40 = 148,891.20/x
  3. Step 3: Cross multiply
    569,572.80x = 854,294.40 × 148,891.20
  4. Step 4: Simplify right side
    569,572.80x = 127,196,918,369.28
  5. Step 5: Solve for x
    x = 127,196,918,369.28/569,572.80
  6. Step 6: Final answer
    x = 223,319.86

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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.