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Finding the Fourth Proportional to 925.16, 1,386.52 and 377.04

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Solution

The fourth proportional to 925.16, 1,386.52 and 377.04 is: 565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.16 : 1,386.52 = 377.04 : x
  2. Step 2: Convert to fraction form
    925.16/1,386.52 = 377.04/x
  3. Step 3: Cross multiply
    925.16x = 1,386.52 × 377.04
  4. Step 4: Simplify right side
    925.16x = 522,773.50
  5. Step 5: Solve for x
    x = 522,773.50/925.16
  6. Step 6: Final answer
    x = 565.06

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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.