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Finding the Fourth Proportional to 1,732.56, 2,598.92 and 434.04

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Solution

The fourth proportional to 1,732.56, 2,598.92 and 434.04 is: 651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.56 : 2,598.92 = 434.04 : x
  2. Step 2: Convert to fraction form
    1,732.56/2,598.92 = 434.04/x
  3. Step 3: Cross multiply
    1,732.56x = 2,598.92 × 434.04
  4. Step 4: Simplify right side
    1,732.56x = 1,128,035.24
  5. Step 5: Solve for x
    x = 1,128,035.24/1,732.56
  6. Step 6: Final answer
    x = 651.08

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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.