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Finding the Fourth Proportional to 1,470.34, 2,207.13 and 605.26

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Solution

The fourth proportional to 1,470.34, 2,207.13 and 605.26 is: 908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470.34 : 2,207.13 = 605.26 : x
  2. Step 2: Convert to fraction form
    1,470.34/2,207.13 = 605.26/x
  3. Step 3: Cross multiply
    1,470.34x = 2,207.13 × 605.26
  4. Step 4: Simplify right side
    1,470.34x = 1,335,887.50
  5. Step 5: Solve for x
    x = 1,335,887.50/1,470.34
  6. Step 6: Final answer
    x = 908.56

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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.