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Finding the Fourth Proportional to 322,340.95, 483,511.33 and 100,724.95

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Solution

The fourth proportional to 322,340.95, 483,511.33 and 100,724.95 is: 151,087.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,340.95 : 483,511.33 = 100,724.95 : x
  2. Step 2: Convert to fraction form
    322,340.95/483,511.33 = 100,724.95/x
  3. Step 3: Cross multiply
    322,340.95x = 483,511.33 × 100,724.95
  4. Step 4: Simplify right side
    322,340.95x = 48,701,654,538.68
  5. Step 5: Solve for x
    x = 48,701,654,538.68/322,340.95
  6. Step 6: Final answer
    x = 151,087.40

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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.