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Finding the Fourth Proportional to 521,758.54, 782,599.56 and 166,677.22

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Solution

The fourth proportional to 521,758.54, 782,599.56 and 166,677.22 is: 250,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,758.54 : 782,599.56 = 166,677.22 : x
  2. Step 2: Convert to fraction form
    521,758.54/782,599.56 = 166,677.22/x
  3. Step 3: Cross multiply
    521,758.54x = 782,599.56 × 166,677.22
  4. Step 4: Simplify right side
    521,758.54x = 130,441,519,034.02
  5. Step 5: Solve for x
    x = 130,441,519,034.02/521,758.54
  6. Step 6: Final answer
    x = 250,003.61

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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.