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Finding the Fourth Proportional to 484,005.77, 667,944.12 and 266,223.63

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Solution

The fourth proportional to 484,005.77, 667,944.12 and 266,223.63 is: 367,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,005.77 : 667,944.12 = 266,223.63 : x
  2. Step 2: Convert to fraction form
    484,005.77/667,944.12 = 266,223.63/x
  3. Step 3: Cross multiply
    484,005.77x = 667,944.12 × 266,223.63
  4. Step 4: Simplify right side
    484,005.77x = 177,822,508,263.56
  5. Step 5: Solve for x
    x = 177,822,508,263.56/484,005.77
  6. Step 6: Final answer
    x = 367,397.50

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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.