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Finding the Fourth Proportional to 952.88, 1,430.04 and 697.04

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Solution

The fourth proportional to 952.88, 1,430.04 and 697.04 is: 1,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.88 : 1,430.04 = 697.04 : x
  2. Step 2: Convert to fraction form
    952.88/1,430.04 = 697.04/x
  3. Step 3: Cross multiply
    952.88x = 1,430.04 × 697.04
  4. Step 4: Simplify right side
    952.88x = 996,795.08
  5. Step 5: Solve for x
    x = 996,795.08/952.88
  6. Step 6: Final answer
    x = 1,046.09

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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.