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Finding the Fourth Proportional to 636,974.64, 955,462.02 and 163,660.02

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Solution

The fourth proportional to 636,974.64, 955,462.02 and 163,660.02 is: 245,490.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,974.64 : 955,462.02 = 163,660.02 : x
  2. Step 2: Convert to fraction form
    636,974.64/955,462.02 = 163,660.02/x
  3. Step 3: Cross multiply
    636,974.64x = 955,462.02 × 163,660.02
  4. Step 4: Simplify right side
    636,974.64x = 156,370,933,302.44
  5. Step 5: Solve for x
    x = 156,370,933,302.44/636,974.64
  6. Step 6: Final answer
    x = 245,490.05

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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.