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Finding the Fourth Proportional to 700.60, 1,049.43 and 468.74

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Solution

The fourth proportional to 700.60, 1,049.43 and 468.74 is: 702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.60 : 1,049.43 = 468.74 : x
  2. Step 2: Convert to fraction form
    700.60/1,049.43 = 468.74/x
  3. Step 3: Cross multiply
    700.60x = 1,049.43 × 468.74
  4. Step 4: Simplify right side
    700.60x = 491,904.57
  5. Step 5: Solve for x
    x = 491,904.57/700.60
  6. Step 6: Final answer
    x = 702.12

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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.