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Finding the Fourth Proportional to 435,282.39, 600,969.78 and 299,272.86

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Solution

The fourth proportional to 435,282.39, 600,969.78 and 299,272.86 is: 413,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,282.39 : 600,969.78 = 299,272.86 : x
  2. Step 2: Convert to fraction form
    435,282.39/600,969.78 = 299,272.86/x
  3. Step 3: Cross multiply
    435,282.39x = 600,969.78 × 299,272.86
  4. Step 4: Simplify right side
    435,282.39x = 179,853,944,834.17
  5. Step 5: Solve for x
    x = 179,853,944,834.17/435,282.39
  6. Step 6: Final answer
    x = 413,189.11

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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.