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Finding the Fourth Proportional to 587,488.75, 810,727.58 and 329,364.43

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Solution

The fourth proportional to 587,488.75, 810,727.58 and 329,364.43 is: 454,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,488.75 : 810,727.58 = 329,364.43 : x
  2. Step 2: Convert to fraction form
    587,488.75/810,727.58 = 329,364.43/x
  3. Step 3: Cross multiply
    587,488.75x = 810,727.58 × 329,364.43
  4. Step 4: Simplify right side
    587,488.75x = 267,024,826,068.57
  5. Step 5: Solve for x
    x = 267,024,826,068.57/587,488.75
  6. Step 6: Final answer
    x = 454,519.05

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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.