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Finding the Fourth Proportional to 934.92, 1,400.84 and 741.16

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Solution

The fourth proportional to 934.92, 1,400.84 and 741.16 is: 1,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.92 : 1,400.84 = 741.16 : x
  2. Step 2: Convert to fraction form
    934.92/1,400.84 = 741.16/x
  3. Step 3: Cross multiply
    934.92x = 1,400.84 × 741.16
  4. Step 4: Simplify right side
    934.92x = 1,038,246.32
  5. Step 5: Solve for x
    x = 1,038,246.32/934.92
  6. Step 6: Final answer
    x = 1,110.52

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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.