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Finding the Fourth Proportional to 547,693.26, 821,565.27 and 168,630.98

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Solution

The fourth proportional to 547,693.26, 821,565.27 and 168,630.98 is: 252,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,693.26 : 821,565.27 = 168,630.98 : x
  2. Step 2: Convert to fraction form
    547,693.26/821,565.27 = 168,630.98/x
  3. Step 3: Cross multiply
    547,693.26x = 821,565.27 × 168,630.98
  4. Step 4: Simplify right side
    547,693.26x = 138,541,356,614.07
  5. Step 5: Solve for x
    x = 138,541,356,614.07/547,693.26
  6. Step 6: Final answer
    x = 252,954.28

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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.