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Finding the Fourth Proportional to 451,562.78, 677,257.84 and 226,860.95

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Solution

The fourth proportional to 451,562.78, 677,257.84 and 226,860.95 is: 340,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,562.78 : 677,257.84 = 226,860.95 : x
  2. Step 2: Convert to fraction form
    451,562.78/677,257.84 = 226,860.95/x
  3. Step 3: Cross multiply
    451,562.78x = 677,257.84 × 226,860.95
  4. Step 4: Simplify right side
    451,562.78x = 153,643,356,977.35
  5. Step 5: Solve for x
    x = 153,643,356,977.35/451,562.78
  6. Step 6: Final answer
    x = 340,248.05

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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.