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Finding the Fourth Proportional to 1,062.90, 1,594.35 and 369.41

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Solution

The fourth proportional to 1,062.90, 1,594.35 and 369.41 is: 554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.90 : 1,594.35 = 369.41 : x
  2. Step 2: Convert to fraction form
    1,062.90/1,594.35 = 369.41/x
  3. Step 3: Cross multiply
    1,062.90x = 1,594.35 × 369.41
  4. Step 4: Simplify right side
    1,062.90x = 588,960.86
  5. Step 5: Solve for x
    x = 588,960.86/1,062.90
  6. Step 6: Final answer
    x = 554.11

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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.