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Finding the Fourth Proportional to 222,217.20, 333,374.40 and 72,464.40

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Solution

The fourth proportional to 222,217.20, 333,374.40 and 72,464.40 is: 108,712.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,217.20 : 333,374.40 = 72,464.40 : x
  2. Step 2: Convert to fraction form
    222,217.20/333,374.40 = 72,464.40/x
  3. Step 3: Cross multiply
    222,217.20x = 333,374.40 × 72,464.40
  4. Step 4: Simplify right side
    222,217.20x = 24,157,775,871.36
  5. Step 5: Solve for x
    x = 24,157,775,871.36/222,217.20
  6. Step 6: Final answer
    x = 108,712.45

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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.