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Finding the Fourth Proportional to 1,060.34, 1,463.30 and 705.68

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Solution

The fourth proportional to 1,060.34, 1,463.30 and 705.68 is: 973.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.34 : 1,463.30 = 705.68 : x
  2. Step 2: Convert to fraction form
    1,060.34/1,463.30 = 705.68/x
  3. Step 3: Cross multiply
    1,060.34x = 1,463.30 × 705.68
  4. Step 4: Simplify right side
    1,060.34x = 1,032,626.97
  5. Step 5: Solve for x
    x = 1,032,626.97/1,060.34
  6. Step 6: Final answer
    x = 973.87

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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.