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Finding the Fourth Proportional to 1,046.49, 1,444.14 and 574.39

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Solution

The fourth proportional to 1,046.49, 1,444.14 and 574.39 is: 792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.49 : 1,444.14 = 574.39 : x
  2. Step 2: Convert to fraction form
    1,046.49/1,444.14 = 574.39/x
  3. Step 3: Cross multiply
    1,046.49x = 1,444.14 × 574.39
  4. Step 4: Simplify right side
    1,046.49x = 829,499.57
  5. Step 5: Solve for x
    x = 829,499.57/1,046.49
  6. Step 6: Final answer
    x = 792.65

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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.