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Finding the Fourth Proportional to 480,065.59, 662,510.64 and 276,116.56

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Solution

The fourth proportional to 480,065.59, 662,510.64 and 276,116.56 is: 381,052.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,065.59 : 662,510.64 = 276,116.56 : x
  2. Step 2: Convert to fraction form
    480,065.59/662,510.64 = 276,116.56/x
  3. Step 3: Cross multiply
    480,065.59x = 662,510.64 × 276,116.56
  4. Step 4: Simplify right side
    480,065.59x = 182,930,158,880.20
  5. Step 5: Solve for x
    x = 182,930,158,880.20/480,065.59
  6. Step 6: Final answer
    x = 381,052.43

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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.