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Finding the Fourth Proportional to 439,002.76, 605,854.26 and 247,946.44

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Solution

The fourth proportional to 439,002.76, 605,854.26 and 247,946.44 is: 342,183.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,002.76 : 605,854.26 = 247,946.44 : x
  2. Step 2: Convert to fraction form
    439,002.76/605,854.26 = 247,946.44/x
  3. Step 3: Cross multiply
    439,002.76x = 605,854.26 × 247,946.44
  4. Step 4: Simplify right side
    439,002.76x = 150,219,406,925.83
  5. Step 5: Solve for x
    x = 150,219,406,925.83/439,002.76
  6. Step 6: Final answer
    x = 342,183.29

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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.