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Finding the Fourth Proportional to 406,592.55, 561,082.55 and 234,517.56

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Solution

The fourth proportional to 406,592.55, 561,082.55 and 234,517.56 is: 323,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,592.55 : 561,082.55 = 234,517.56 : x
  2. Step 2: Convert to fraction form
    406,592.55/561,082.55 = 234,517.56/x
  3. Step 3: Cross multiply
    406,592.55x = 561,082.55 × 234,517.56
  4. Step 4: Simplify right side
    406,592.55x = 131,583,712,573.58
  5. Step 5: Solve for x
    x = 131,583,712,573.58/406,592.55
  6. Step 6: Final answer
    x = 323,625.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.