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Finding the Fourth Proportional to 1,566, 2,348.91 and 470.34

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Solution

The fourth proportional to 1,566, 2,348.91 and 470.34 is: 705.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566 : 2,348.91 = 470.34 : x
  2. Step 2: Convert to fraction form
    1,566/2,348.91 = 470.34/x
  3. Step 3: Cross multiply
    1,566x = 2,348.91 × 470.34
  4. Step 4: Simplify right side
    1,566x = 1,104,786.33
  5. Step 5: Solve for x
    x = 1,104,786.33/1,566
  6. Step 6: Final answer
    x = 705.48

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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.