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Finding the Fourth Proportional to 222,790.40, 334,184.80 and 54,308.80

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Solution

The fourth proportional to 222,790.40, 334,184.80 and 54,308.80 is: 81,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,790.40 : 334,184.80 = 54,308.80 : x
  2. Step 2: Convert to fraction form
    222,790.40/334,184.80 = 54,308.80/x
  3. Step 3: Cross multiply
    222,790.40x = 334,184.80 × 54,308.80
  4. Step 4: Simplify right side
    222,790.40x = 18,149,175,466.24
  5. Step 5: Solve for x
    x = 18,149,175,466.24/222,790.40
  6. Step 6: Final answer
    x = 81,463.00

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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.