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Finding the Fourth Proportional to 650,772.80, 975,122.40 and 482,811.20

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Solution

The fourth proportional to 650,772.80, 975,122.40 and 482,811.20 is: 723,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,772.80 : 975,122.40 = 482,811.20 : x
  2. Step 2: Convert to fraction form
    650,772.80/975,122.40 = 482,811.20/x
  3. Step 3: Cross multiply
    650,772.80x = 975,122.40 × 482,811.20
  4. Step 4: Simplify right side
    650,772.80x = 470,800,016,090.88
  5. Step 5: Solve for x
    x = 470,800,016,090.88/650,772.80
  6. Step 6: Final answer
    x = 723,447.59

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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.