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Finding the Fourth Proportional to 439,595.52, 659,446.16 and 155,227.56

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Solution

The fourth proportional to 439,595.52, 659,446.16 and 155,227.56 is: 232,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,595.52 : 659,446.16 = 155,227.56 : x
  2. Step 2: Convert to fraction form
    439,595.52/659,446.16 = 155,227.56/x
  3. Step 3: Cross multiply
    439,595.52x = 659,446.16 × 155,227.56
  4. Step 4: Simplify right side
    439,595.52x = 102,364,218,368.17
  5. Step 5: Solve for x
    x = 102,364,218,368.17/439,595.52
  6. Step 6: Final answer
    x = 232,860.01

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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.