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Finding the Fourth Proportional to 222,436.90, 333,655.35 and 220,363.30

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Solution

The fourth proportional to 222,436.90, 333,655.35 and 220,363.30 is: 330,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,436.90 : 333,655.35 = 220,363.30 : x
  2. Step 2: Convert to fraction form
    222,436.90/333,655.35 = 220,363.30/x
  3. Step 3: Cross multiply
    222,436.90x = 333,655.35 × 220,363.30
  4. Step 4: Simplify right side
    222,436.90x = 73,525,393,988.66
  5. Step 5: Solve for x
    x = 73,525,393,988.66/222,436.90
  6. Step 6: Final answer
    x = 330,544.95

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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.