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Finding the Fourth Proportional to 484,002.64, 667,939.84 and 266,220.51

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Solution

The fourth proportional to 484,002.64, 667,939.84 and 266,220.51 is: 367,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,002.64 : 667,939.84 = 266,220.51 : x
  2. Step 2: Convert to fraction form
    484,002.64/667,939.84 = 266,220.51/x
  3. Step 3: Cross multiply
    484,002.64x = 667,939.84 × 266,220.51
  4. Step 4: Simplify right side
    484,002.64x = 177,819,281,683.79
  5. Step 5: Solve for x
    x = 177,819,281,683.79/484,002.64
  6. Step 6: Final answer
    x = 367,393.21

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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.