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Finding the Fourth Proportional to 482,519.10, 665,956.09 and 267,728.36

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Solution

The fourth proportional to 482,519.10, 665,956.09 and 267,728.36 is: 369,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,519.10 : 665,956.09 = 267,728.36 : x
  2. Step 2: Convert to fraction form
    482,519.10/665,956.09 = 267,728.36/x
  3. Step 3: Cross multiply
    482,519.10x = 665,956.09 × 267,728.36
  4. Step 4: Simplify right side
    482,519.10x = 178,295,331,807.71
  5. Step 5: Solve for x
    x = 178,295,331,807.71/482,519.10
  6. Step 6: Final answer
    x = 369,509.38

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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.