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Finding the Fourth Proportional to 576,027.40, 864,041.10 and 482,715.40

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Solution

The fourth proportional to 576,027.40, 864,041.10 and 482,715.40 is: 724,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,027.40 : 864,041.10 = 482,715.40 : x
  2. Step 2: Convert to fraction form
    576,027.40/864,041.10 = 482,715.40/x
  3. Step 3: Cross multiply
    576,027.40x = 864,041.10 × 482,715.40
  4. Step 4: Simplify right side
    576,027.40x = 417,085,945,202.94
  5. Step 5: Solve for x
    x = 417,085,945,202.94/576,027.40
  6. Step 6: Final answer
    x = 724,073.10

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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.