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Finding the Fourth Proportional to 439,582.48, 659,373.72 and 159,034.48

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Solution

The fourth proportional to 439,582.48, 659,373.72 and 159,034.48 is: 238,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,582.48 : 659,373.72 = 159,034.48 : x
  2. Step 2: Convert to fraction form
    439,582.48/659,373.72 = 159,034.48/x
  3. Step 3: Cross multiply
    439,582.48x = 659,373.72 × 159,034.48
  4. Step 4: Simplify right side
    439,582.48x = 104,863,156,685.87
  5. Step 5: Solve for x
    x = 104,863,156,685.87/439,582.48
  6. Step 6: Final answer
    x = 238,551.72

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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.