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Finding the Fourth Proportional to 458,538.75, 632,803.23 and 254,589.68

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Solution

The fourth proportional to 458,538.75, 632,803.23 and 254,589.68 is: 351,344.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,538.75 : 632,803.23 = 254,589.68 : x
  2. Step 2: Convert to fraction form
    458,538.75/632,803.23 = 254,589.68/x
  3. Step 3: Cross multiply
    458,538.75x = 632,803.23 × 254,589.68
  4. Step 4: Simplify right side
    458,538.75x = 161,105,171,828.67
  5. Step 5: Solve for x
    x = 161,105,171,828.67/458,538.75
  6. Step 6: Final answer
    x = 351,344.73

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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.