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Finding the Fourth Proportional to 462,442.56, 693,663.84 and 130,018.56

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Solution

The fourth proportional to 462,442.56, 693,663.84 and 130,018.56 is: 195,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,442.56 : 693,663.84 = 130,018.56 : x
  2. Step 2: Convert to fraction form
    462,442.56/693,663.84 = 130,018.56/x
  3. Step 3: Cross multiply
    462,442.56x = 693,663.84 × 130,018.56
  4. Step 4: Simplify right side
    462,442.56x = 90,189,173,600.87
  5. Step 5: Solve for x
    x = 90,189,173,600.87/462,442.56
  6. Step 6: Final answer
    x = 195,027.84

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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.