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Finding the Fourth Proportional to 437,560, 603,833.12 and 236,356

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Solution

The fourth proportional to 437,560, 603,833.12 and 236,356 is: 326,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,560 : 603,833.12 = 236,356 : x
  2. Step 2: Convert to fraction form
    437,560/603,833.12 = 236,356/x
  3. Step 3: Cross multiply
    437,560x = 603,833.12 × 236,356
  4. Step 4: Simplify right side
    437,560x = 142,719,580,910.72
  5. Step 5: Solve for x
    x = 142,719,580,910.72/437,560
  6. Step 6: Final answer
    x = 326,171.45

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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.