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Finding the Fourth Proportional to 582,076.80, 873,115.20 and 493,503.30

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Solution

The fourth proportional to 582,076.80, 873,115.20 and 493,503.30 is: 740,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,076.80 : 873,115.20 = 493,503.30 : x
  2. Step 2: Convert to fraction form
    582,076.80/873,115.20 = 493,503.30/x
  3. Step 3: Cross multiply
    582,076.80x = 873,115.20 × 493,503.30
  4. Step 4: Simplify right side
    582,076.80x = 430,885,232,480.16
  5. Step 5: Solve for x
    x = 430,885,232,480.16/582,076.80
  6. Step 6: Final answer
    x = 740,254.95

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Double scale
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Similar ratio
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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.