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Finding the Fourth Proportional to 652,517.06, 978,613.59 and 179,178.98

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Solution

The fourth proportional to 652,517.06, 978,613.59 and 179,178.98 is: 268,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,517.06 : 978,613.59 = 179,178.98 : x
  2. Step 2: Convert to fraction form
    652,517.06/978,613.59 = 179,178.98/x
  3. Step 3: Cross multiply
    652,517.06x = 978,613.59 × 179,178.98
  4. Step 4: Simplify right side
    652,517.06x = 175,346,984,870.34
  5. Step 5: Solve for x
    x = 175,346,984,870.34/652,517.06
  6. Step 6: Final answer
    x = 268,723.99

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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.