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Finding the Fourth Proportional to 480,452.28, 662,992.54 and 276,470.28

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Solution

The fourth proportional to 480,452.28, 662,992.54 and 276,470.28 is: 381,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,452.28 : 662,992.54 = 276,470.28 : x
  2. Step 2: Convert to fraction form
    480,452.28/662,992.54 = 276,470.28/x
  3. Step 3: Cross multiply
    480,452.28x = 662,992.54 × 276,470.28
  4. Step 4: Simplify right side
    480,452.28x = 183,297,734,035.68
  5. Step 5: Solve for x
    x = 183,297,734,035.68/480,452.28
  6. Step 6: Final answer
    x = 381,510.80

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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.