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Finding the Fourth Proportional to 481,443.28, 664,398.72 and 266,582.92

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Solution

The fourth proportional to 481,443.28, 664,398.72 and 266,582.92 is: 367,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,443.28 : 664,398.72 = 266,582.92 : x
  2. Step 2: Convert to fraction form
    481,443.28/664,398.72 = 266,582.92/x
  3. Step 3: Cross multiply
    481,443.28x = 664,398.72 × 266,582.92
  4. Step 4: Simplify right side
    481,443.28x = 177,117,350,821.86
  5. Step 5: Solve for x
    x = 177,117,350,821.86/481,443.28
  6. Step 6: Final answer
    x = 367,888.30

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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.