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Finding the Fourth Proportional to 431,441.81, 595,409.98 and 240,456.57

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Solution

The fourth proportional to 431,441.81, 595,409.98 and 240,456.57 is: 331,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,441.81 : 595,409.98 = 240,456.57 : x
  2. Step 2: Convert to fraction form
    431,441.81/595,409.98 = 240,456.57/x
  3. Step 3: Cross multiply
    431,441.81x = 595,409.98 × 240,456.57
  4. Step 4: Simplify right side
    431,441.81x = 143,170,242,500.68
  5. Step 5: Solve for x
    x = 143,170,242,500.68/431,441.81
  6. Step 6: Final answer
    x = 331,841.37

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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.