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Finding the Fourth Proportional to 521,800.32, 782,995.76 and 222,249.68

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Solution

The fourth proportional to 521,800.32, 782,995.76 and 222,249.68 is: 333,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,800.32 : 782,995.76 = 222,249.68 : x
  2. Step 2: Convert to fraction form
    521,800.32/782,995.76 = 222,249.68/x
  3. Step 3: Cross multiply
    521,800.32x = 782,995.76 × 222,249.68
  4. Step 4: Simplify right side
    521,800.32x = 174,020,557,101.36
  5. Step 5: Solve for x
    x = 174,020,557,101.36/521,800.32
  6. Step 6: Final answer
    x = 333,500.29

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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.