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Finding the Fourth Proportional to 526,155.66, 789,228.54 and 226,847.70

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Solution

The fourth proportional to 526,155.66, 789,228.54 and 226,847.70 is: 340,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,155.66 : 789,228.54 = 226,847.70 : x
  2. Step 2: Convert to fraction form
    526,155.66/789,228.54 = 226,847.70/x
  3. Step 3: Cross multiply
    526,155.66x = 789,228.54 × 226,847.70
  4. Step 4: Simplify right side
    526,155.66x = 179,034,679,073.36
  5. Step 5: Solve for x
    x = 179,034,679,073.36/526,155.66
  6. Step 6: Final answer
    x = 340,269.42

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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.