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Finding the Fourth Proportional to 541,217.52, 811,586.28 and 288,450.90

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Solution

The fourth proportional to 541,217.52, 811,586.28 and 288,450.90 is: 432,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,217.52 : 811,586.28 = 288,450.90 : x
  2. Step 2: Convert to fraction form
    541,217.52/811,586.28 = 288,450.90/x
  3. Step 3: Cross multiply
    541,217.52x = 811,586.28 × 288,450.90
  4. Step 4: Simplify right side
    541,217.52x = 234,102,792,893.65
  5. Step 5: Solve for x
    x = 234,102,792,893.65/541,217.52
  6. Step 6: Final answer
    x = 432,548.44

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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.