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Finding the Fourth Proportional to 1,060.48, 1,463.76 and 706.44

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Solution

The fourth proportional to 1,060.48, 1,463.76 and 706.44 is: 975.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.48 : 1,463.76 = 706.44 : x
  2. Step 2: Convert to fraction form
    1,060.48/1,463.76 = 706.44/x
  3. Step 3: Cross multiply
    1,060.48x = 1,463.76 × 706.44
  4. Step 4: Simplify right side
    1,060.48x = 1,034,058.61
  5. Step 5: Solve for x
    x = 1,034,058.61/1,060.48
  6. Step 6: Final answer
    x = 975.09

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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.