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Finding the Fourth Proportional to 356,916.97, 492,544.96 and 195,772.74

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Solution

The fourth proportional to 356,916.97, 492,544.96 and 195,772.74 is: 270,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,916.97 : 492,544.96 = 195,772.74 : x
  2. Step 2: Convert to fraction form
    356,916.97/492,544.96 = 195,772.74/x
  3. Step 3: Cross multiply
    356,916.97x = 492,544.96 × 195,772.74
  4. Step 4: Simplify right side
    356,916.97x = 96,426,876,392.39
  5. Step 5: Solve for x
    x = 96,426,876,392.39/356,916.97
  6. Step 6: Final answer
    x = 270,166.13

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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.