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Finding the Fourth Proportional to 356,808.93, 492,403.08 and 195,654.37

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Solution

The fourth proportional to 356,808.93, 492,403.08 and 195,654.37 is: 270,006.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,808.93 : 492,403.08 = 195,654.37 : x
  2. Step 2: Convert to fraction form
    356,808.93/492,403.08 = 195,654.37/x
  3. Step 3: Cross multiply
    356,808.93x = 492,403.08 × 195,654.37
  4. Step 4: Simplify right side
    356,808.93x = 96,340,814,403.46
  5. Step 5: Solve for x
    x = 96,340,814,403.46/356,808.93
  6. Step 6: Final answer
    x = 270,006.74

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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.