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Finding the Fourth Proportional to 952.71, 1,427.47 and 605.98

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Solution

The fourth proportional to 952.71, 1,427.47 and 605.98 is: 907.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.71 : 1,427.47 = 605.98 : x
  2. Step 2: Convert to fraction form
    952.71/1,427.47 = 605.98/x
  3. Step 3: Cross multiply
    952.71x = 1,427.47 × 605.98
  4. Step 4: Simplify right side
    952.71x = 865,021.95
  5. Step 5: Solve for x
    x = 865,021.95/952.71
  6. Step 6: Final answer
    x = 907.96

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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.