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Finding the Fourth Proportional to 1,232.55, 1,700.99 and 701.45

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Solution

The fourth proportional to 1,232.55, 1,700.99 and 701.45 is: 968.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.55 : 1,700.99 = 701.45 : x
  2. Step 2: Convert to fraction form
    1,232.55/1,700.99 = 701.45/x
  3. Step 3: Cross multiply
    1,232.55x = 1,700.99 × 701.45
  4. Step 4: Simplify right side
    1,232.55x = 1,193,156.43
  5. Step 5: Solve for x
    x = 1,193,156.43/1,232.55
  6. Step 6: Final answer
    x = 968.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.