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Finding the Fourth Proportional to 700.33, 1,051.14 and 353.91

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Solution

The fourth proportional to 700.33, 1,051.14 and 353.91 is: 531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.33 : 1,051.14 = 353.91 : x
  2. Step 2: Convert to fraction form
    700.33/1,051.14 = 353.91/x
  3. Step 3: Cross multiply
    700.33x = 1,051.14 × 353.91
  4. Step 4: Simplify right side
    700.33x = 372,008.97
  5. Step 5: Solve for x
    x = 372,008.97/700.33
  6. Step 6: Final answer
    x = 531.19

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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.