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Finding the Fourth Proportional to 582,396.12, 873,804.36 and 203,372.72

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Solution

The fourth proportional to 582,396.12, 873,804.36 and 203,372.72 is: 305,132.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,396.12 : 873,804.36 = 203,372.72 : x
  2. Step 2: Convert to fraction form
    582,396.12/873,804.36 = 203,372.72/x
  3. Step 3: Cross multiply
    582,396.12x = 873,804.36 × 203,372.72
  4. Step 4: Simplify right side
    582,396.12x = 177,707,969,441.06
  5. Step 5: Solve for x
    x = 177,707,969,441.06/582,396.12
  6. Step 6: Final answer
    x = 305,132.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.