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Finding the Fourth Proportional to 650,838.80, 975,221.40 and 482,877.20

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Solution

The fourth proportional to 650,838.80, 975,221.40 and 482,877.20 is: 723,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,838.80 : 975,221.40 = 482,877.20 : x
  2. Step 2: Convert to fraction form
    650,838.80/975,221.40 = 482,877.20/x
  3. Step 3: Cross multiply
    650,838.80x = 975,221.40 × 482,877.20
  4. Step 4: Simplify right side
    650,838.80x = 470,912,179,012.08
  5. Step 5: Solve for x
    x = 470,912,179,012.08/650,838.80
  6. Step 6: Final answer
    x = 723,546.57

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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.