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Finding the Fourth Proportional to 484,000.98, 667,937.58 and 266,218.86

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Solution

The fourth proportional to 484,000.98, 667,937.58 and 266,218.86 is: 367,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,000.98 : 667,937.58 = 266,218.86 : x
  2. Step 2: Convert to fraction form
    484,000.98/667,937.58 = 266,218.86/x
  3. Step 3: Cross multiply
    484,000.98x = 667,937.58 × 266,218.86
  4. Step 4: Simplify right side
    484,000.98x = 177,817,581,098.76
  5. Step 5: Solve for x
    x = 177,817,581,098.76/484,000.98
  6. Step 6: Final answer
    x = 367,390.95

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1.5x scale

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.