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Finding the Fourth Proportional to 579,666.24, 869,538.24 and 158,906.88

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Solution

The fourth proportional to 579,666.24, 869,538.24 and 158,906.88 is: 238,370.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,666.24 : 869,538.24 = 158,906.88 : x
  2. Step 2: Convert to fraction form
    579,666.24/869,538.24 = 158,906.88/x
  3. Step 3: Cross multiply
    579,666.24x = 869,538.24 × 158,906.88
  4. Step 4: Simplify right side
    579,666.24x = 138,175,608,759.09
  5. Step 5: Solve for x
    x = 138,175,608,759.09/579,666.24
  6. Step 6: Final answer
    x = 238,370.98

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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.