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Finding the Fourth Proportional to 222,408.40, 333,612.60 and 220,334.80

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Solution

The fourth proportional to 222,408.40, 333,612.60 and 220,334.80 is: 330,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.40 : 333,612.60 = 220,334.80 : x
  2. Step 2: Convert to fraction form
    222,408.40/333,612.60 = 220,334.80/x
  3. Step 3: Cross multiply
    222,408.40x = 333,612.60 × 220,334.80
  4. Step 4: Simplify right side
    222,408.40x = 73,506,465,498.48
  5. Step 5: Solve for x
    x = 73,506,465,498.48/222,408.40
  6. Step 6: Final answer
    x = 330,502.20

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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.