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Finding the Fourth Proportional to 587,392.77, 810,651.54 and 329,265.57

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Solution

The fourth proportional to 587,392.77, 810,651.54 and 329,265.57 is: 454,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,392.77 : 810,651.54 = 329,265.57 : x
  2. Step 2: Convert to fraction form
    587,392.77/810,651.54 = 329,265.57/x
  3. Step 3: Cross multiply
    587,392.77x = 810,651.54 × 329,265.57
  4. Step 4: Simplify right side
    587,392.77x = 266,919,641,389.48
  5. Step 5: Solve for x
    x = 266,919,641,389.48/587,392.77
  6. Step 6: Final answer
    x = 454,414.24

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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.