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Finding the Fourth Proportional to 582,992.72, 873,731.64 and 262,909.52

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Solution

The fourth proportional to 582,992.72, 873,731.64 and 262,909.52 is: 394,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,992.72 : 873,731.64 = 262,909.52 : x
  2. Step 2: Convert to fraction form
    582,992.72/873,731.64 = 262,909.52/x
  3. Step 3: Cross multiply
    582,992.72x = 873,731.64 × 262,909.52
  4. Step 4: Simplify right side
    582,992.72x = 229,712,366,081.21
  5. Step 5: Solve for x
    x = 229,712,366,081.21/582,992.72
  6. Step 6: Final answer
    x = 394,022.70

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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.