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Finding the Fourth Proportional to 576,018.20, 864,027.30 and 482,706.20

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Solution

The fourth proportional to 576,018.20, 864,027.30 and 482,706.20 is: 724,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,018.20 : 864,027.30 = 482,706.20 : x
  2. Step 2: Convert to fraction form
    576,018.20/864,027.30 = 482,706.20/x
  3. Step 3: Cross multiply
    576,018.20x = 864,027.30 × 482,706.20
  4. Step 4: Simplify right side
    576,018.20x = 417,071,334,679.26
  5. Step 5: Solve for x
    x = 417,071,334,679.26/576,018.20
  6. Step 6: Final answer
    x = 724,059.30

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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.