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Finding the Fourth Proportional to 442,081.14, 662,649.56 and 252,132.56

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Solution

The fourth proportional to 442,081.14, 662,649.56 and 252,132.56 is: 377,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,081.14 : 662,649.56 = 252,132.56 : x
  2. Step 2: Convert to fraction form
    442,081.14/662,649.56 = 252,132.56/x
  3. Step 3: Cross multiply
    442,081.14x = 662,649.56 × 252,132.56
  4. Step 4: Simplify right side
    442,081.14x = 167,075,529,945.67
  5. Step 5: Solve for x
    x = 167,075,529,945.67/442,081.14
  6. Step 6: Final answer
    x = 377,929.56

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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.