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Finding the Fourth Proportional to 1,731.89, 2,597.84 and 433.36

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Solution

The fourth proportional to 1,731.89, 2,597.84 and 433.36 is: 650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.89 : 2,597.84 = 433.36 : x
  2. Step 2: Convert to fraction form
    1,731.89/2,597.84 = 433.36/x
  3. Step 3: Cross multiply
    1,731.89x = 2,597.84 × 433.36
  4. Step 4: Simplify right side
    1,731.89x = 1,125,792.91
  5. Step 5: Solve for x
    x = 1,125,792.91/1,731.89
  6. Step 6: Final answer
    x = 650.04

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1.5x scale

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.