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Finding the Fourth Proportional to 323,468.76, 482,928.64 and 247,167.96

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Solution

The fourth proportional to 323,468.76, 482,928.64 and 247,167.96 is: 369,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,468.76 : 482,928.64 = 247,167.96 : x
  2. Step 2: Convert to fraction form
    323,468.76/482,928.64 = 247,167.96/x
  3. Step 3: Cross multiply
    323,468.76x = 482,928.64 × 247,167.96
  4. Step 4: Simplify right side
    323,468.76x = 119,364,486,774.37
  5. Step 5: Solve for x
    x = 119,364,486,774.37/323,468.76
  6. Step 6: Final answer
    x = 369,013.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.