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Finding the Fourth Proportional to 1,046.52, 1,444.56 and 674.52

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Solution

The fourth proportional to 1,046.52, 1,444.56 and 674.52 is: 931.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.52 : 1,444.56 = 674.52 : x
  2. Step 2: Convert to fraction form
    1,046.52/1,444.56 = 674.52/x
  3. Step 3: Cross multiply
    1,046.52x = 1,444.56 × 674.52
  4. Step 4: Simplify right side
    1,046.52x = 974,384.61
  5. Step 5: Solve for x
    x = 974,384.61/1,046.52
  6. Step 6: Final answer
    x = 931.07

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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.