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Finding the Fourth Proportional to 572,529.44, 858,794.16 and 151,838.12

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Solution

The fourth proportional to 572,529.44, 858,794.16 and 151,838.12 is: 227,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,529.44 : 858,794.16 = 151,838.12 : x
  2. Step 2: Convert to fraction form
    572,529.44/858,794.16 = 151,838.12/x
  3. Step 3: Cross multiply
    572,529.44x = 858,794.16 × 151,838.12
  4. Step 4: Simplify right side
    572,529.44x = 130,397,690,721.38
  5. Step 5: Solve for x
    x = 130,397,690,721.38/572,529.44
  6. Step 6: Final answer
    x = 227,757.18

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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.