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Finding the Fourth Proportional to 636,973.89, 955,460.91 and 163,659.24

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Solution

The fourth proportional to 636,973.89, 955,460.91 and 163,659.24 is: 245,488.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,973.89 : 955,460.91 = 163,659.24 : x
  2. Step 2: Convert to fraction form
    636,973.89/955,460.91 = 163,659.24/x
  3. Step 3: Cross multiply
    636,973.89x = 955,460.91 × 163,659.24
  4. Step 4: Simplify right side
    636,973.89x = 156,370,006,380.31
  5. Step 5: Solve for x
    x = 156,370,006,380.31/636,973.89
  6. Step 6: Final answer
    x = 245,488.88

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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.