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Finding the Fourth Proportional to 323,010.78, 484,159.35 and 133,366.59

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Solution

The fourth proportional to 323,010.78, 484,159.35 and 133,366.59 is: 199,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,010.78 : 484,159.35 = 133,366.59 : x
  2. Step 2: Convert to fraction form
    323,010.78/484,159.35 = 133,366.59/x
  3. Step 3: Cross multiply
    323,010.78x = 484,159.35 × 133,366.59
  4. Step 4: Simplify right side
    323,010.78x = 64,570,681,526.12
  5. Step 5: Solve for x
    x = 64,570,681,526.12/323,010.78
  6. Step 6: Final answer
    x = 199,902.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.