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Finding the Fourth Proportional to 356,568.71, 492,068.67 and 195,420.29

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Solution

The fourth proportional to 356,568.71, 492,068.67 and 195,420.29 is: 269,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,568.71 : 492,068.67 = 195,420.29 : x
  2. Step 2: Convert to fraction form
    356,568.71/492,068.67 = 195,420.29/x
  3. Step 3: Cross multiply
    356,568.71x = 492,068.67 × 195,420.29
  4. Step 4: Simplify right side
    356,568.71x = 96,160,202,191.31
  5. Step 5: Solve for x
    x = 96,160,202,191.31/356,568.71
  6. Step 6: Final answer
    x = 269,682.11

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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.