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Finding the Fourth Proportional to 925.58, 1,277.06 and 552.41

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Solution

The fourth proportional to 925.58, 1,277.06 and 552.41 is: 762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.58 : 1,277.06 = 552.41 : x
  2. Step 2: Convert to fraction form
    925.58/1,277.06 = 552.41/x
  3. Step 3: Cross multiply
    925.58x = 1,277.06 × 552.41
  4. Step 4: Simplify right side
    925.58x = 705,460.71
  5. Step 5: Solve for x
    x = 705,460.71/925.58
  6. Step 6: Final answer
    x = 762.18

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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.