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Finding the Fourth Proportional to 572,885.88, 859,329.18 and 217,817.88

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Solution

The fourth proportional to 572,885.88, 859,329.18 and 217,817.88 is: 326,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,885.88 : 859,329.18 = 217,817.88 : x
  2. Step 2: Convert to fraction form
    572,885.88/859,329.18 = 217,817.88/x
  3. Step 3: Cross multiply
    572,885.88x = 859,329.18 × 217,817.88
  4. Step 4: Simplify right side
    572,885.88x = 187,177,260,209.74
  5. Step 5: Solve for x
    x = 187,177,260,209.74/572,885.88
  6. Step 6: Final answer
    x = 326,726.96

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Double scale
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Similar ratio
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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.