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Finding the Fourth Proportional to 576,169.05, 864,253.58 and 476,441.85

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Solution

The fourth proportional to 576,169.05, 864,253.58 and 476,441.85 is: 714,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,169.05 : 864,253.58 = 476,441.85 : x
  2. Step 2: Convert to fraction form
    576,169.05/864,253.58 = 476,441.85/x
  3. Step 3: Cross multiply
    576,169.05x = 864,253.58 × 476,441.85
  4. Step 4: Simplify right side
    576,169.05x = 411,766,572,142.11
  5. Step 5: Solve for x
    x = 411,766,572,142.11/576,169.05
  6. Step 6: Final answer
    x = 714,662.78

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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.