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Finding the Fourth Proportional to 356,701.61, 492,248.11 and 195,553.20

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Solution

The fourth proportional to 356,701.61, 492,248.11 and 195,553.20 is: 269,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,701.61 : 492,248.11 = 195,553.20 : x
  2. Step 2: Convert to fraction form
    356,701.61/492,248.11 = 195,553.20/x
  3. Step 3: Cross multiply
    356,701.61x = 492,248.11 × 195,553.20
  4. Step 4: Simplify right side
    356,701.61x = 96,260,692,615.57
  5. Step 5: Solve for x
    x = 96,260,692,615.57/356,701.61
  6. Step 6: Final answer
    x = 269,863.35

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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.