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Finding the Fourth Proportional to 1,034.44, 1,552.16 and 457.24

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Solution

The fourth proportional to 1,034.44, 1,552.16 and 457.24 is: 686.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.44 : 1,552.16 = 457.24 : x
  2. Step 2: Convert to fraction form
    1,034.44/1,552.16 = 457.24/x
  3. Step 3: Cross multiply
    1,034.44x = 1,552.16 × 457.24
  4. Step 4: Simplify right side
    1,034.44x = 709,709.64
  5. Step 5: Solve for x
    x = 709,709.64/1,034.44
  6. Step 6: Final answer
    x = 686.08

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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.