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Finding the Fourth Proportional to 576,052.80, 864,511.20 and 295,425.60

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Solution

The fourth proportional to 576,052.80, 864,511.20 and 295,425.60 is: 443,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,052.80 : 864,511.20 = 295,425.60 : x
  2. Step 2: Convert to fraction form
    576,052.80/864,511.20 = 295,425.60/x
  3. Step 3: Cross multiply
    576,052.80x = 864,511.20 × 295,425.60
  4. Step 4: Simplify right side
    576,052.80x = 255,398,739,966.72
  5. Step 5: Solve for x
    x = 255,398,739,966.72/576,052.80
  6. Step 6: Final answer
    x = 443,359.95

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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.