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Finding the Fourth Proportional to 901.14, 1,352.61 and 469.26

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Solution

The fourth proportional to 901.14, 1,352.61 and 469.26 is: 704.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    901.14 : 1,352.61 = 469.26 : x
  2. Step 2: Convert to fraction form
    901.14/1,352.61 = 469.26/x
  3. Step 3: Cross multiply
    901.14x = 1,352.61 × 469.26
  4. Step 4: Simplify right side
    901.14x = 634,725.77
  5. Step 5: Solve for x
    x = 634,725.77/901.14
  6. Step 6: Final answer
    x = 704.36

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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.