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Finding the Fourth Proportional to 481,037.90, 663,822.90 and 266,178.11

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Solution

The fourth proportional to 481,037.90, 663,822.90 and 266,178.11 is: 367,320.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,037.90 : 663,822.90 = 266,178.11 : x
  2. Step 2: Convert to fraction form
    481,037.90/663,822.90 = 266,178.11/x
  3. Step 3: Cross multiply
    481,037.90x = 663,822.90 × 266,178.11
  4. Step 4: Simplify right side
    481,037.90x = 176,695,121,577.61
  5. Step 5: Solve for x
    x = 176,695,121,577.61/481,037.90
  6. Step 6: Final answer
    x = 367,320.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.