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Finding the Fourth Proportional to 347,140.36, 520,508.22 and 169,467.40

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Solution

The fourth proportional to 347,140.36, 520,508.22 and 169,467.40 is: 254,102.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,140.36 : 520,508.22 = 169,467.40 : x
  2. Step 2: Convert to fraction form
    347,140.36/520,508.22 = 169,467.40/x
  3. Step 3: Cross multiply
    347,140.36x = 520,508.22 × 169,467.40
  4. Step 4: Simplify right side
    347,140.36x = 88,209,174,722.03
  5. Step 5: Solve for x
    x = 88,209,174,722.03/347,140.36
  6. Step 6: Final answer
    x = 254,102.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.