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Finding the Fourth Proportional to 582,511.70, 873,767.55 and 498,530.90

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Solution

The fourth proportional to 582,511.70, 873,767.55 and 498,530.90 is: 747,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,511.70 : 873,767.55 = 498,530.90 : x
  2. Step 2: Convert to fraction form
    582,511.70/873,767.55 = 498,530.90/x
  3. Step 3: Cross multiply
    582,511.70x = 873,767.55 × 498,530.90
  4. Step 4: Simplify right side
    582,511.70x = 435,600,123,092.30
  5. Step 5: Solve for x
    x = 435,600,123,092.30/582,511.70
  6. Step 6: Final answer
    x = 747,796.35

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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.