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Finding the Fourth Proportional to 480,277.82, 662,765.49 and 276,360.28

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Solution

The fourth proportional to 480,277.82, 662,765.49 and 276,360.28 is: 381,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,277.82 : 662,765.49 = 276,360.28 : x
  2. Step 2: Convert to fraction form
    480,277.82/662,765.49 = 276,360.28/x
  3. Step 3: Cross multiply
    480,277.82x = 662,765.49 × 276,360.28
  4. Step 4: Simplify right side
    480,277.82x = 183,162,053,076.91
  5. Step 5: Solve for x
    x = 183,162,053,076.91/480,277.82
  6. Step 6: Final answer
    x = 381,366.88

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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.