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Finding the Fourth Proportional to 431,472.21, 595,434.41 and 240,497.70

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Solution

The fourth proportional to 431,472.21, 595,434.41 and 240,497.70 is: 331,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,472.21 : 595,434.41 = 240,497.70 : x
  2. Step 2: Convert to fraction form
    431,472.21/595,434.41 = 240,497.70/x
  3. Step 3: Cross multiply
    431,472.21x = 595,434.41 × 240,497.70
  4. Step 4: Simplify right side
    431,472.21x = 143,200,606,105.86
  5. Step 5: Solve for x
    x = 143,200,606,105.86/431,472.21
  6. Step 6: Final answer
    x = 331,888.36

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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.