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Finding the Fourth Proportional to 582,079.46, 873,119.43 and 261,857.30

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Solution

The fourth proportional to 582,079.46, 873,119.43 and 261,857.30 is: 392,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,079.46 : 873,119.43 = 261,857.30 : x
  2. Step 2: Convert to fraction form
    582,079.46/873,119.43 = 261,857.30/x
  3. Step 3: Cross multiply
    582,079.46x = 873,119.43 × 261,857.30
  4. Step 4: Simplify right side
    582,079.46x = 228,632,692,151.74
  5. Step 5: Solve for x
    x = 228,632,692,151.74/582,079.46
  6. Step 6: Final answer
    x = 392,786.05

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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.