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Finding the Fourth Proportional to 431,552.81, 595,542.88 and 240,578.51

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Solution

The fourth proportional to 431,552.81, 595,542.88 and 240,578.51 is: 331,998.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,552.81 : 595,542.88 = 240,578.51 : x
  2. Step 2: Convert to fraction form
    431,552.81/595,542.88 = 240,578.51/x
  3. Step 3: Cross multiply
    431,552.81x = 595,542.88 × 240,578.51
  4. Step 4: Simplify right side
    431,552.81x = 143,274,816,034.52
  5. Step 5: Solve for x
    x = 143,274,816,034.52/431,552.81
  6. Step 6: Final answer
    x = 331,998.34

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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.