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Finding the Fourth Proportional to 1,043.90, 1,565.04 and 467.18

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Solution

The fourth proportional to 1,043.90, 1,565.04 and 467.18 is: 700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.90 : 1,565.04 = 467.18 : x
  2. Step 2: Convert to fraction form
    1,043.90/1,565.04 = 467.18/x
  3. Step 3: Cross multiply
    1,043.90x = 1,565.04 × 467.18
  4. Step 4: Simplify right side
    1,043.90x = 731,155.39
  5. Step 5: Solve for x
    x = 731,155.39/1,043.90
  6. Step 6: Final answer
    x = 700.41

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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.