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Finding the Fourth Proportional to 561,675.88, 842,513.82 and 187,698.88

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Solution

The fourth proportional to 561,675.88, 842,513.82 and 187,698.88 is: 281,548.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,675.88 : 842,513.82 = 187,698.88 : x
  2. Step 2: Convert to fraction form
    561,675.88/842,513.82 = 187,698.88/x
  3. Step 3: Cross multiply
    561,675.88x = 842,513.82 × 187,698.88
  4. Step 4: Simplify right side
    561,675.88x = 158,138,895,247.46
  5. Step 5: Solve for x
    x = 158,138,895,247.46/561,675.88
  6. Step 6: Final answer
    x = 281,548.31

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Similar ratio
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1.5x scale

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.