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Finding the Fourth Proportional to 1,232.68, 1,701.08 and 673.15

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Solution

The fourth proportional to 1,232.68, 1,701.08 and 673.15 is: 928.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232.68 : 1,701.08 = 673.15 : x
  2. Step 2: Convert to fraction form
    1,232.68/1,701.08 = 673.15/x
  3. Step 3: Cross multiply
    1,232.68x = 1,701.08 × 673.15
  4. Step 4: Simplify right side
    1,232.68x = 1,145,075.81
  5. Step 5: Solve for x
    x = 1,145,075.81/1,232.68
  6. Step 6: Final answer
    x = 928.93

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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.