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Finding the Fourth Proportional to 297,226.72, 410,115.72 and 169,875.28

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Solution

The fourth proportional to 297,226.72, 410,115.72 and 169,875.28 is: 234,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,226.72 : 410,115.72 = 169,875.28 : x
  2. Step 2: Convert to fraction form
    297,226.72/410,115.72 = 169,875.28/x
  3. Step 3: Cross multiply
    297,226.72x = 410,115.72 × 169,875.28
  4. Step 4: Simplify right side
    297,226.72x = 69,668,522,767.40
  5. Step 5: Solve for x
    x = 69,668,522,767.40/297,226.72
  6. Step 6: Final answer
    x = 234,395.22

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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.