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Finding the Fourth Proportional to 366,888.60, 550,387.58 and 130,211.46

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Solution

The fourth proportional to 366,888.60, 550,387.58 and 130,211.46 is: 195,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,888.60 : 550,387.58 = 130,211.46 : x
  2. Step 2: Convert to fraction form
    366,888.60/550,387.58 = 130,211.46/x
  3. Step 3: Cross multiply
    366,888.60x = 550,387.58 × 130,211.46
  4. Step 4: Simplify right side
    366,888.60x = 71,666,769,706.61
  5. Step 5: Solve for x
    x = 71,666,769,706.61/366,888.60
  6. Step 6: Final answer
    x = 195,336.59

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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.