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Finding the Fourth Proportional to 1,064.52, 1,594.11 and 624.27

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Solution

The fourth proportional to 1,064.52, 1,594.11 and 624.27 is: 934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.52 : 1,594.11 = 624.27 : x
  2. Step 2: Convert to fraction form
    1,064.52/1,594.11 = 624.27/x
  3. Step 3: Cross multiply
    1,064.52x = 1,594.11 × 624.27
  4. Step 4: Simplify right side
    1,064.52x = 995,155.05
  5. Step 5: Solve for x
    x = 995,155.05/1,064.52
  6. Step 6: Final answer
    x = 934.84

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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.