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Finding the Fourth Proportional to 481,098.76, 663,917.58 and 266,253.64

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Solution

The fourth proportional to 481,098.76, 663,917.58 and 266,253.64 is: 367,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,098.76 : 663,917.58 = 266,253.64 : x
  2. Step 2: Convert to fraction form
    481,098.76/663,917.58 = 266,253.64/x
  3. Step 3: Cross multiply
    481,098.76x = 663,917.58 × 266,253.64
  4. Step 4: Simplify right side
    481,098.76x = 176,770,472,334.99
  5. Step 5: Solve for x
    x = 176,770,472,334.99/481,098.76
  6. Step 6: Final answer
    x = 367,430.74

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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.