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Finding the Fourth Proportional to 431,552.39, 595,542.34 and 240,565.78

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Solution

The fourth proportional to 431,552.39, 595,542.34 and 240,565.78 is: 331,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,552.39 : 595,542.34 = 240,565.78 : x
  2. Step 2: Convert to fraction form
    431,552.39/595,542.34 = 240,565.78/x
  3. Step 3: Cross multiply
    431,552.39x = 595,542.34 × 240,565.78
  4. Step 4: Simplify right side
    431,552.39x = 143,267,108,590.26
  5. Step 5: Solve for x
    x = 143,267,108,590.26/431,552.39
  6. Step 6: Final answer
    x = 331,980.80

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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.