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Finding the Fourth Proportional to 437,993.55, 604,340.87 and 251,689.01

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Solution

The fourth proportional to 437,993.55, 604,340.87 and 251,689.01 is: 347,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,993.55 : 604,340.87 = 251,689.01 : x
  2. Step 2: Convert to fraction form
    437,993.55/604,340.87 = 251,689.01/x
  3. Step 3: Cross multiply
    437,993.55x = 604,340.87 × 251,689.01
  4. Step 4: Simplify right side
    437,993.55x = 152,105,950,992.69
  5. Step 5: Solve for x
    x = 152,105,950,992.69/437,993.55
  6. Step 6: Final answer
    x = 347,278.97

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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.