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Finding the Fourth Proportional to 484,102.53, 668,057.70 and 266,306.49

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Solution

The fourth proportional to 484,102.53, 668,057.70 and 266,306.49 is: 367,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,102.53 : 668,057.70 = 266,306.49 : x
  2. Step 2: Convert to fraction form
    484,102.53/668,057.70 = 266,306.49/x
  3. Step 3: Cross multiply
    484,102.53x = 668,057.70 × 266,306.49
  4. Step 4: Simplify right side
    484,102.53x = 177,908,101,204.47
  5. Step 5: Solve for x
    x = 177,908,101,204.47/484,102.53
  6. Step 6: Final answer
    x = 367,500.87

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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.