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Finding the Fourth Proportional to 421,797.53, 582,080.58 and 230,810.94

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Solution

The fourth proportional to 421,797.53, 582,080.58 and 230,810.94 is: 318,519.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,797.53 : 582,080.58 = 230,810.94 : x
  2. Step 2: Convert to fraction form
    421,797.53/582,080.58 = 230,810.94/x
  3. Step 3: Cross multiply
    421,797.53x = 582,080.58 × 230,810.94
  4. Step 4: Simplify right side
    421,797.53x = 134,350,565,825.55
  5. Step 5: Solve for x
    x = 134,350,565,825.55/421,797.53
  6. Step 6: Final answer
    x = 318,519.09

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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.