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Finding the Fourth Proportional to 1,232.56, 1,700.88 and 673.02

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Solution

The fourth proportional to 1,232.56, 1,700.88 and 673.02 is: 928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.56 : 1,700.88 = 673.02 : x
  2. Step 2: Convert to fraction form
    1,232.56/1,700.88 = 673.02/x
  3. Step 3: Cross multiply
    1,232.56x = 1,700.88 × 673.02
  4. Step 4: Simplify right side
    1,232.56x = 1,144,726.26
  5. Step 5: Solve for x
    x = 1,144,726.26/1,232.56
  6. Step 6: Final answer
    x = 928.74

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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.