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Finding the Fourth Proportional to 519,922.56, 779,883.84 and 187,498.56

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Solution

The fourth proportional to 519,922.56, 779,883.84 and 187,498.56 is: 281,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,922.56 : 779,883.84 = 187,498.56 : x
  2. Step 2: Convert to fraction form
    519,922.56/779,883.84 = 187,498.56/x
  3. Step 3: Cross multiply
    519,922.56x = 779,883.84 × 187,498.56
  4. Step 4: Simplify right side
    519,922.56x = 146,227,096,967.27
  5. Step 5: Solve for x
    x = 146,227,096,967.27/519,922.56
  6. Step 6: Final answer
    x = 281,247.84

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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.