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Finding the Fourth Proportional to 437,578.50, 603,858.87 and 236,374.50

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Solution

The fourth proportional to 437,578.50, 603,858.87 and 236,374.50 is: 326,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,578.50 : 603,858.87 = 236,374.50 : x
  2. Step 2: Convert to fraction form
    437,578.50/603,858.87 = 236,374.50/x
  3. Step 3: Cross multiply
    437,578.50x = 603,858.87 × 236,374.50
  4. Step 4: Simplify right side
    437,578.50x = 142,736,838,466.82
  5. Step 5: Solve for x
    x = 142,736,838,466.82/437,578.50
  6. Step 6: Final answer
    x = 326,197.10

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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.