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Finding the Fourth Proportional to 437,666.50, 603,979.86 and 236,462.50

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Solution

The fourth proportional to 437,666.50, 603,979.86 and 236,462.50 is: 326,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,666.50 : 603,979.86 = 236,462.50 : x
  2. Step 2: Convert to fraction form
    437,666.50/603,979.86 = 236,462.50/x
  3. Step 3: Cross multiply
    437,666.50x = 603,979.86 × 236,462.50
  4. Step 4: Simplify right side
    437,666.50x = 142,818,587,645.25
  5. Step 5: Solve for x
    x = 142,818,587,645.25/437,666.50
  6. Step 6: Final answer
    x = 326,318.30

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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.