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Finding the Fourth Proportional to 481,250.70, 664,117.92 and 266,386.15

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Solution

The fourth proportional to 481,250.70, 664,117.92 and 266,386.15 is: 367,608.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,250.70 : 664,117.92 = 266,386.15 : x
  2. Step 2: Convert to fraction form
    481,250.70/664,117.92 = 266,386.15/x
  3. Step 3: Cross multiply
    481,250.70x = 664,117.92 × 266,386.15
  4. Step 4: Simplify right side
    481,250.70x = 176,911,815,854.81
  5. Step 5: Solve for x
    x = 176,911,815,854.81/481,250.70
  6. Step 6: Final answer
    x = 367,608.43

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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.