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Finding the Fourth Proportional to 1,302.46, 1,797.40 and 704.95

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Solution

The fourth proportional to 1,302.46, 1,797.40 and 704.95 is: 972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302.46 : 1,797.40 = 704.95 : x
  2. Step 2: Convert to fraction form
    1,302.46/1,797.40 = 704.95/x
  3. Step 3: Cross multiply
    1,302.46x = 1,797.40 × 704.95
  4. Step 4: Simplify right side
    1,302.46x = 1,267,080.54
  5. Step 5: Solve for x
    x = 1,267,080.54/1,302.46
  6. Step 6: Final answer
    x = 972.84

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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.