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Finding the Fourth Proportional to 636,973.39, 955,460.15 and 163,658.73

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Solution

The fourth proportional to 636,973.39, 955,460.15 and 163,658.73 is: 245,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,973.39 : 955,460.15 = 163,658.73 : x
  2. Step 2: Convert to fraction form
    636,973.39/955,460.15 = 163,658.73/x
  3. Step 3: Cross multiply
    636,973.39x = 955,460.15 × 163,658.73
  4. Step 4: Simplify right side
    636,973.39x = 156,369,394,714.61
  5. Step 5: Solve for x
    x = 156,369,394,714.61/636,973.39
  6. Step 6: Final answer
    x = 245,488.11

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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.