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Finding the Fourth Proportional to 561,839.60, 842,876.03 and 187,852.88

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Solution

The fourth proportional to 561,839.60, 842,876.03 and 187,852.88 is: 281,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,839.60 : 842,876.03 = 187,852.88 : x
  2. Step 2: Convert to fraction form
    561,839.60/842,876.03 = 187,852.88/x
  3. Step 3: Cross multiply
    561,839.60x = 842,876.03 × 187,852.88
  4. Step 4: Simplify right side
    561,839.60x = 158,336,685,973.72
  5. Step 5: Solve for x
    x = 158,336,685,973.72/561,839.60
  6. Step 6: Final answer
    x = 281,818.31

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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.