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Finding the Fourth Proportional to 1,046.66, 1,444.33 and 580.88

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Solution

The fourth proportional to 1,046.66, 1,444.33 and 580.88 is: 801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.66 : 1,444.33 = 580.88 : x
  2. Step 2: Convert to fraction form
    1,046.66/1,444.33 = 580.88/x
  3. Step 3: Cross multiply
    1,046.66x = 1,444.33 × 580.88
  4. Step 4: Simplify right side
    1,046.66x = 838,973.74
  5. Step 5: Solve for x
    x = 838,973.74/1,046.66
  6. Step 6: Final answer
    x = 801.58

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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.