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Finding the Fourth Proportional to 700.70, 1,052.42 and 604.04

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Solution

The fourth proportional to 700.70, 1,052.42 and 604.04 is: 907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.70 : 1,052.42 = 604.04 : x
  2. Step 2: Convert to fraction form
    700.70/1,052.42 = 604.04/x
  3. Step 3: Cross multiply
    700.70x = 1,052.42 × 604.04
  4. Step 4: Simplify right side
    700.70x = 635,703.78
  5. Step 5: Solve for x
    x = 635,703.78/700.70
  6. Step 6: Final answer
    x = 907.24

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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.