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Finding the Fourth Proportional to 652,867.80, 979,188.90 and 173,098.94

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Solution

The fourth proportional to 652,867.80, 979,188.90 and 173,098.94 is: 259,618.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,867.80 : 979,188.90 = 173,098.94 : x
  2. Step 2: Convert to fraction form
    652,867.80/979,188.90 = 173,098.94/x
  3. Step 3: Cross multiply
    652,867.80x = 979,188.90 × 173,098.94
  4. Step 4: Simplify right side
    652,867.80x = 169,496,555,753.82
  5. Step 5: Solve for x
    x = 169,496,555,753.82/652,867.80
  6. Step 6: Final answer
    x = 259,618.50

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Double scale
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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.