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Finding the Fourth Proportional to 297,283.16, 410,079.18 and 189,731.96

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Solution

The fourth proportional to 297,283.16, 410,079.18 and 189,731.96 is: 261,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,283.16 : 410,079.18 = 189,731.96 : x
  2. Step 2: Convert to fraction form
    297,283.16/410,079.18 = 189,731.96/x
  3. Step 3: Cross multiply
    297,283.16x = 410,079.18 × 189,731.96
  4. Step 4: Simplify right side
    297,283.16x = 77,805,128,313.29
  5. Step 5: Solve for x
    x = 77,805,128,313.29/297,283.16
  6. Step 6: Final answer
    x = 261,720.61

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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.