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Finding the Fourth Proportional to 576,473.45, 864,242.81 and 239,766.17

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Solution

The fourth proportional to 576,473.45, 864,242.81 and 239,766.17 is: 359,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,473.45 : 864,242.81 = 239,766.17 : x
  2. Step 2: Convert to fraction form
    576,473.45/864,242.81 = 239,766.17/x
  3. Step 3: Cross multiply
    576,473.45x = 864,242.81 × 239,766.17
  4. Step 4: Simplify right side
    576,473.45x = 207,216,184,182.52
  5. Step 5: Solve for x
    x = 207,216,184,182.52/576,473.45
  6. Step 6: Final answer
    x = 359,454.86

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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.