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Finding the Fourth Proportional to 317,091.58, 437,524.74 and 188,006.20

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Solution

The fourth proportional to 317,091.58, 437,524.74 and 188,006.20 is: 259,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,091.58 : 437,524.74 = 188,006.20 : x
  2. Step 2: Convert to fraction form
    317,091.58/437,524.74 = 188,006.20/x
  3. Step 3: Cross multiply
    317,091.58x = 437,524.74 × 188,006.20
  4. Step 4: Simplify right side
    317,091.58x = 82,257,363,773.39
  5. Step 5: Solve for x
    x = 82,257,363,773.39/317,091.58
  6. Step 6: Final answer
    x = 259,412.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.