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Finding the Fourth Proportional to 222,730.80, 333,124.20 and 199,208.40

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Solution

The fourth proportional to 222,730.80, 333,124.20 and 199,208.40 is: 297,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,730.80 : 333,124.20 = 199,208.40 : x
  2. Step 2: Convert to fraction form
    222,730.80/333,124.20 = 199,208.40/x
  3. Step 3: Cross multiply
    222,730.80x = 333,124.20 × 199,208.40
  4. Step 4: Simplify right side
    222,730.80x = 66,361,138,883.28
  5. Step 5: Solve for x
    x = 66,361,138,883.28/222,730.80
  6. Step 6: Final answer
    x = 297,943.25

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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.