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Finding the Fourth Proportional to 260,841.84, 391,262.52 and 73,853.40

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Solution

The fourth proportional to 260,841.84, 391,262.52 and 73,853.40 is: 110,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,841.84 : 391,262.52 = 73,853.40 : x
  2. Step 2: Convert to fraction form
    260,841.84/391,262.52 = 73,853.40/x
  3. Step 3: Cross multiply
    260,841.84x = 391,262.52 × 73,853.40
  4. Step 4: Simplify right side
    260,841.84x = 28,896,067,394.57
  5. Step 5: Solve for x
    x = 28,896,067,394.57/260,841.84
  6. Step 6: Final answer
    x = 110,780.03

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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.