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Finding the Fourth Proportional to 609,008.70, 913,426.65 and 188,327.10

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Solution

The fourth proportional to 609,008.70, 913,426.65 and 188,327.10 is: 282,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,008.70 : 913,426.65 = 188,327.10 : x
  2. Step 2: Convert to fraction form
    609,008.70/913,426.65 = 188,327.10/x
  3. Step 3: Cross multiply
    609,008.70x = 913,426.65 × 188,327.10
  4. Step 4: Simplify right side
    609,008.70x = 172,022,992,057.22
  5. Step 5: Solve for x
    x = 172,022,992,057.22/609,008.70
  6. Step 6: Final answer
    x = 282,463.93

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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.