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Finding the Fourth Proportional to 297,192.48, 410,126.40 and 169,871.28

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Solution

The fourth proportional to 297,192.48, 410,126.40 and 169,871.28 is: 234,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,192.48 : 410,126.40 = 169,871.28 : x
  2. Step 2: Convert to fraction form
    297,192.48/410,126.40 = 169,871.28/x
  3. Step 3: Cross multiply
    297,192.48x = 410,126.40 × 169,871.28
  4. Step 4: Simplify right side
    297,192.48x = 69,668,696,529.79
  5. Step 5: Solve for x
    x = 69,668,696,529.79/297,192.48
  6. Step 6: Final answer
    x = 234,422.81

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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.