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Finding the Fourth Proportional to 1,760.32, 2,429.78 and 1,014.78

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Solution

The fourth proportional to 1,760.32, 2,429.78 and 1,014.78 is: 1,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.32 : 2,429.78 = 1,014.78 : x
  2. Step 2: Convert to fraction form
    1,760.32/2,429.78 = 1,014.78/x
  3. Step 3: Cross multiply
    1,760.32x = 2,429.78 × 1,014.78
  4. Step 4: Simplify right side
    1,760.32x = 2,465,689.88
  5. Step 5: Solve for x
    x = 2,465,689.88/1,760.32
  6. Step 6: Final answer
    x = 1,400.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.