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Finding the Fourth Proportional to 431,245.05, 595,118.79 and 240,265.14

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Solution

The fourth proportional to 431,245.05, 595,118.79 and 240,265.14 is: 331,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,245.05 : 595,118.79 = 240,265.14 : x
  2. Step 2: Convert to fraction form
    431,245.05/595,118.79 = 240,265.14/x
  3. Step 3: Cross multiply
    431,245.05x = 595,118.79 × 240,265.14
  4. Step 4: Simplify right side
    431,245.05x = 142,986,299,395.98
  5. Step 5: Solve for x
    x = 142,986,299,395.98/431,245.05
  6. Step 6: Final answer
    x = 331,566.24

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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.