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Finding the Fourth Proportional to 222,437.20, 333,655.80 and 220,104.40

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Solution

The fourth proportional to 222,437.20, 333,655.80 and 220,104.40 is: 330,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,437.20 : 333,655.80 = 220,104.40 : x
  2. Step 2: Convert to fraction form
    222,437.20/333,655.80 = 220,104.40/x
  3. Step 3: Cross multiply
    222,437.20x = 333,655.80 × 220,104.40
  4. Step 4: Simplify right side
    222,437.20x = 73,439,109,665.52
  5. Step 5: Solve for x
    x = 73,439,109,665.52/222,437.20
  6. Step 6: Final answer
    x = 330,156.60

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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.