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Finding the Fourth Proportional to 576,063.27, 863,724.90 and 239,336.55

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Solution

The fourth proportional to 576,063.27, 863,724.90 and 239,336.55 is: 358,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,063.27 : 863,724.90 = 239,336.55 : x
  2. Step 2: Convert to fraction form
    576,063.27/863,724.90 = 239,336.55/x
  3. Step 3: Cross multiply
    576,063.27x = 863,724.90 × 239,336.55
  4. Step 4: Simplify right side
    576,063.27x = 206,720,937,715.10
  5. Step 5: Solve for x
    x = 206,720,937,715.10/576,063.27
  6. Step 6: Final answer
    x = 358,851.10

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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.