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Finding the Fourth Proportional to 222,783.48, 331,860.24 and 210,711.24

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Solution

The fourth proportional to 222,783.48, 331,860.24 and 210,711.24 is: 313,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,783.48 : 331,860.24 = 210,711.24 : x
  2. Step 2: Convert to fraction form
    222,783.48/331,860.24 = 210,711.24/x
  3. Step 3: Cross multiply
    222,783.48x = 331,860.24 × 210,711.24
  4. Step 4: Simplify right side
    222,783.48x = 69,926,682,677.10
  5. Step 5: Solve for x
    x = 69,926,682,677.10/222,783.48
  6. Step 6: Final answer
    x = 313,877.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.