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Finding the Fourth Proportional to 560,291.85, 840,185.06 and 160,841.97

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Solution

The fourth proportional to 560,291.85, 840,185.06 and 160,841.97 is: 241,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,291.85 : 840,185.06 = 160,841.97 : x
  2. Step 2: Convert to fraction form
    560,291.85/840,185.06 = 160,841.97/x
  3. Step 3: Cross multiply
    560,291.85x = 840,185.06 × 160,841.97
  4. Step 4: Simplify right side
    560,291.85x = 135,137,019,410.76
  5. Step 5: Solve for x
    x = 135,137,019,410.76/560,291.85
  6. Step 6: Final answer
    x = 241,190.41

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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.