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Finding the Fourth Proportional to 436,187.28, 601,922.64 and 245,218.44

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Solution

The fourth proportional to 436,187.28, 601,922.64 and 245,218.44 is: 338,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,187.28 : 601,922.64 = 245,218.44 : x
  2. Step 2: Convert to fraction form
    436,187.28/601,922.64 = 245,218.44/x
  3. Step 3: Cross multiply
    436,187.28x = 601,922.64 × 245,218.44
  4. Step 4: Simplify right side
    436,187.28x = 147,602,530,781.48
  5. Step 5: Solve for x
    x = 147,602,530,781.48/436,187.28
  6. Step 6: Final answer
    x = 338,392.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.