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Finding the Fourth Proportional to 222,764.40, 334,146.60 and 209,642.40

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Solution

The fourth proportional to 222,764.40, 334,146.60 and 209,642.40 is: 314,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,764.40 : 334,146.60 = 209,642.40 : x
  2. Step 2: Convert to fraction form
    222,764.40/334,146.60 = 209,642.40/x
  3. Step 3: Cross multiply
    222,764.40x = 334,146.60 × 209,642.40
  4. Step 4: Simplify right side
    222,764.40x = 70,051,295,175.84
  5. Step 5: Solve for x
    x = 70,051,295,175.84/222,764.40
  6. Step 6: Final answer
    x = 314,463.60

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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.