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Finding the Fourth Proportional to 431,544.15, 595,538.78 and 240,536.97

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Solution

The fourth proportional to 431,544.15, 595,538.78 and 240,536.97 is: 331,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,544.15 : 595,538.78 = 240,536.97 : x
  2. Step 2: Convert to fraction form
    431,544.15/595,538.78 = 240,536.97/x
  3. Step 3: Cross multiply
    431,544.15x = 595,538.78 × 240,536.97
  4. Step 4: Simplify right side
    431,544.15x = 143,249,092,456.01
  5. Step 5: Solve for x
    x = 143,249,092,456.01/431,544.15
  6. Step 6: Final answer
    x = 331,945.39

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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.