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Finding the Fourth Proportional to 934.76, 1,400.92 and 587.58

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Solution

The fourth proportional to 934.76, 1,400.92 and 587.58 is: 880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.76 : 1,400.92 = 587.58 : x
  2. Step 2: Convert to fraction form
    934.76/1,400.92 = 587.58/x
  3. Step 3: Cross multiply
    934.76x = 1,400.92 × 587.58
  4. Step 4: Simplify right side
    934.76x = 823,152.57
  5. Step 5: Solve for x
    x = 823,152.57/934.76
  6. Step 6: Final answer
    x = 880.60

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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.