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Finding the Fourth Proportional to 484,266.40, 725,938.80 and 377,591.20

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Solution

The fourth proportional to 484,266.40, 725,938.80 and 377,591.20 is: 566,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,266.40 : 725,938.80 = 377,591.20 : x
  2. Step 2: Convert to fraction form
    484,266.40/725,938.80 = 377,591.20/x
  3. Step 3: Cross multiply
    484,266.40x = 725,938.80 × 377,591.20
  4. Step 4: Simplify right side
    484,266.40x = 274,108,102,618.56
  5. Step 5: Solve for x
    x = 274,108,102,618.56/484,266.40
  6. Step 6: Final answer
    x = 566,027.51

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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.