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Finding the Fourth Proportional to 297,687.15, 410,798.79 and 170,360.01

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Solution

The fourth proportional to 297,687.15, 410,798.79 and 170,360.01 is: 235,091.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,687.15 : 410,798.79 = 170,360.01 : x
  2. Step 2: Convert to fraction form
    297,687.15/410,798.79 = 170,360.01/x
  3. Step 3: Cross multiply
    297,687.15x = 410,798.79 × 170,360.01
  4. Step 4: Simplify right side
    297,687.15x = 69,983,685,972.39
  5. Step 5: Solve for x
    x = 69,983,685,972.39/297,687.15
  6. Step 6: Final answer
    x = 235,091.39

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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.