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Finding the Fourth Proportional to 1,024.64, 1,534.92 and 476.10

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Solution

The fourth proportional to 1,024.64, 1,534.92 and 476.10 is: 713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.64 : 1,534.92 = 476.10 : x
  2. Step 2: Convert to fraction form
    1,024.64/1,534.92 = 476.10/x
  3. Step 3: Cross multiply
    1,024.64x = 1,534.92 × 476.10
  4. Step 4: Simplify right side
    1,024.64x = 730,775.41
  5. Step 5: Solve for x
    x = 730,775.41/1,024.64
  6. Step 6: Final answer
    x = 713.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.