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Finding the Fourth Proportional to 576,314.30, 864,471.45 and 576,314.30

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Solution

The fourth proportional to 576,314.30, 864,471.45 and 576,314.30 is: 864,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,314.30 : 864,471.45 = 576,314.30 : x
  2. Step 2: Convert to fraction form
    576,314.30/864,471.45 = 576,314.30/x
  3. Step 3: Cross multiply
    576,314.30x = 864,471.45 × 576,314.30
  4. Step 4: Simplify right side
    576,314.30x = 498,207,258,576.74
  5. Step 5: Solve for x
    x = 498,207,258,576.74/576,314.30
  6. Step 6: Final answer
    x = 864,471.45

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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.