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Finding the Fourth Proportional to 572,538.76, 858,808.18 and 178,554.76

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Solution

The fourth proportional to 572,538.76, 858,808.18 and 178,554.76 is: 267,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,538.76 : 858,808.18 = 178,554.76 : x
  2. Step 2: Convert to fraction form
    572,538.76/858,808.18 = 178,554.76/x
  3. Step 3: Cross multiply
    572,538.76x = 858,808.18 × 178,554.76
  4. Step 4: Simplify right side
    572,538.76x = 153,344,288,465.94
  5. Step 5: Solve for x
    x = 153,344,288,465.94/572,538.76
  6. Step 6: Final answer
    x = 267,832.15

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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.