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Finding the Fourth Proportional to 431,441.25, 595,409.20 and 240,456.01

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Solution

The fourth proportional to 431,441.25, 595,409.20 and 240,456.01 is: 331,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,441.25 : 595,409.20 = 240,456.01 : x
  2. Step 2: Convert to fraction form
    431,441.25/595,409.20 = 240,456.01/x
  3. Step 3: Cross multiply
    431,441.25x = 595,409.20 × 240,456.01
  4. Step 4: Simplify right side
    431,441.25x = 143,169,722,099.99
  5. Step 5: Solve for x
    x = 143,169,722,099.99/431,441.25
  6. Step 6: Final answer
    x = 331,840.59

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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.