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Finding the Fourth Proportional to 977.00, 1,463.38 and 702.41

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Solution

The fourth proportional to 977.00, 1,463.38 and 702.41 is: 1,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    977.00 : 1,463.38 = 702.41 : x
  2. Step 2: Convert to fraction form
    977.00/1,463.38 = 702.41/x
  3. Step 3: Cross multiply
    977.00x = 1,463.38 × 702.41
  4. Step 4: Simplify right side
    977.00x = 1,027,894.65
  5. Step 5: Solve for x
    x = 1,027,894.65/977.00
  6. Step 6: Final answer
    x = 1,052.09

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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.