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Finding the Fourth Proportional to 1,729.32, 2,594.10 and 574.68

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Solution

The fourth proportional to 1,729.32, 2,594.10 and 574.68 is: 862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.32 : 2,594.10 = 574.68 : x
  2. Step 2: Convert to fraction form
    1,729.32/2,594.10 = 574.68/x
  3. Step 3: Cross multiply
    1,729.32x = 2,594.10 × 574.68
  4. Step 4: Simplify right side
    1,729.32x = 1,490,777.39
  5. Step 5: Solve for x
    x = 1,490,777.39/1,729.32
  6. Step 6: Final answer
    x = 862.06

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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.