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Finding the Fourth Proportional to 330,776.25, 456,457.44 and 187,545.97

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Solution

The fourth proportional to 330,776.25, 456,457.44 and 187,545.97 is: 258,805.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,776.25 : 456,457.44 = 187,545.97 : x
  2. Step 2: Convert to fraction form
    330,776.25/456,457.44 = 187,545.97/x
  3. Step 3: Cross multiply
    330,776.25x = 456,457.44 × 187,545.97
  4. Step 4: Simplify right side
    330,776.25x = 85,606,753,348.52
  5. Step 5: Solve for x
    x = 85,606,753,348.52/330,776.25
  6. Step 6: Final answer
    x = 258,805.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.