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Finding the Fourth Proportional to 426,737.33, 640,201.34 and 160,500.15

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Solution

The fourth proportional to 426,737.33, 640,201.34 and 160,500.15 is: 240,786.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,737.33 : 640,201.34 = 160,500.15 : x
  2. Step 2: Convert to fraction form
    426,737.33/640,201.34 = 160,500.15/x
  3. Step 3: Cross multiply
    426,737.33x = 640,201.34 × 160,500.15
  4. Step 4: Simplify right side
    426,737.33x = 102,752,410,297.70
  5. Step 5: Solve for x
    x = 102,752,410,297.70/426,737.33
  6. Step 6: Final answer
    x = 240,786.08

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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.