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Finding the Fourth Proportional to 576,124.40, 863,495.40 and 295,497.20

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Solution

The fourth proportional to 576,124.40, 863,495.40 and 295,497.20 is: 442,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,124.40 : 863,495.40 = 295,497.20 : x
  2. Step 2: Convert to fraction form
    576,124.40/863,495.40 = 295,497.20/x
  3. Step 3: Cross multiply
    576,124.40x = 863,495.40 × 295,497.20
  4. Step 4: Simplify right side
    576,124.40x = 255,160,472,912.88
  5. Step 5: Solve for x
    x = 255,160,472,912.88/576,124.40
  6. Step 6: Final answer
    x = 442,891.28

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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.