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Finding the Fourth Proportional to 323,356.52, 482,505.88 and 289,734.08

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Solution

The fourth proportional to 323,356.52, 482,505.88 and 289,734.08 is: 432,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,356.52 : 482,505.88 = 289,734.08 : x
  2. Step 2: Convert to fraction form
    323,356.52/482,505.88 = 289,734.08/x
  3. Step 3: Cross multiply
    323,356.52x = 482,505.88 × 289,734.08
  4. Step 4: Simplify right side
    323,356.52x = 139,798,397,236.39
  5. Step 5: Solve for x
    x = 139,798,397,236.39/323,356.52
  6. Step 6: Final answer
    x = 432,335.17

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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.