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Finding the Fourth Proportional to 454,436.78, 681,672.48 and 170,097.39

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Solution

The fourth proportional to 454,436.78, 681,672.48 and 170,097.39 is: 255,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,436.78 : 681,672.48 = 170,097.39 : x
  2. Step 2: Convert to fraction form
    454,436.78/681,672.48 = 170,097.39/x
  3. Step 3: Cross multiply
    454,436.78x = 681,672.48 × 170,097.39
  4. Step 4: Simplify right side
    454,436.78x = 115,950,710,962.17
  5. Step 5: Solve for x
    x = 115,950,710,962.17/454,436.78
  6. Step 6: Final answer
    x = 255,152.57

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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.