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Finding the Fourth Proportional to 437,602, 603,890.76 and 236,398

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Solution

The fourth proportional to 437,602, 603,890.76 and 236,398 is: 326,229.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,602 : 603,890.76 = 236,398 : x
  2. Step 2: Convert to fraction form
    437,602/603,890.76 = 236,398/x
  3. Step 3: Cross multiply
    437,602x = 603,890.76 × 236,398
  4. Step 4: Simplify right side
    437,602x = 142,758,567,882.48
  5. Step 5: Solve for x
    x = 142,758,567,882.48/437,602
  6. Step 6: Final answer
    x = 326,229.24

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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.