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Finding the Fourth Proportional to 462,442.58, 693,663.79 and 130,018.58

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Solution

The fourth proportional to 462,442.58, 693,663.79 and 130,018.58 is: 195,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,442.58 : 693,663.79 = 130,018.58 : x
  2. Step 2: Convert to fraction form
    462,442.58/693,663.79 = 130,018.58/x
  3. Step 3: Cross multiply
    462,442.58x = 693,663.79 × 130,018.58
  4. Step 4: Simplify right side
    462,442.58x = 90,189,180,973.22
  5. Step 5: Solve for x
    x = 90,189,180,973.22/462,442.58
  6. Step 6: Final answer
    x = 195,027.85

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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.