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Finding the Fourth Proportional to 1,169.48, 1,753.54 and 476.48

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Solution

The fourth proportional to 1,169.48, 1,753.54 and 476.48 is: 714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169.48 : 1,753.54 = 476.48 : x
  2. Step 2: Convert to fraction form
    1,169.48/1,753.54 = 476.48/x
  3. Step 3: Cross multiply
    1,169.48x = 1,753.54 × 476.48
  4. Step 4: Simplify right side
    1,169.48x = 835,526.74
  5. Step 5: Solve for x
    x = 835,526.74/1,169.48
  6. Step 6: Final answer
    x = 714.44

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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.