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Finding the Fourth Proportional to 222,646.40, 333,969.60 and 194,998.40

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Solution

The fourth proportional to 222,646.40, 333,969.60 and 194,998.40 is: 292,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,646.40 : 333,969.60 = 194,998.40 : x
  2. Step 2: Convert to fraction form
    222,646.40/333,969.60 = 194,998.40/x
  3. Step 3: Cross multiply
    222,646.40x = 333,969.60 × 194,998.40
  4. Step 4: Simplify right side
    222,646.40x = 65,123,537,648.64
  5. Step 5: Solve for x
    x = 65,123,537,648.64/222,646.40
  6. Step 6: Final answer
    x = 292,497.60

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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.