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Finding the Fourth Proportional to 297,189.34, 410,121.28 and 169,867.67

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Solution

The fourth proportional to 297,189.34, 410,121.28 and 169,867.67 is: 234,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,189.34 : 410,121.28 = 169,867.67 : x
  2. Step 2: Convert to fraction form
    297,189.34/410,121.28 = 169,867.67/x
  3. Step 3: Cross multiply
    297,189.34x = 410,121.28 × 169,867.67
  4. Step 4: Simplify right side
    297,189.34x = 69,666,343,351.07
  5. Step 5: Solve for x
    x = 69,666,343,351.07/297,189.34
  6. Step 6: Final answer
    x = 234,417.37

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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.