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Finding the Fourth Proportional to 437,513.88, 603,769.56 and 236,309.88

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Solution

The fourth proportional to 437,513.88, 603,769.56 and 236,309.88 is: 326,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,513.88 : 603,769.56 = 236,309.88 : x
  2. Step 2: Convert to fraction form
    437,513.88/603,769.56 = 236,309.88/x
  3. Step 3: Cross multiply
    437,513.88x = 603,769.56 × 236,309.88
  4. Step 4: Simplify right side
    437,513.88x = 142,676,712,271.25
  5. Step 5: Solve for x
    x = 142,676,712,271.25/437,513.88
  6. Step 6: Final answer
    x = 326,107.85

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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.