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Finding the Fourth Proportional to 347,816.96, 520,870.08 and 169,749.80

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Solution

The fourth proportional to 347,816.96, 520,870.08 and 169,749.80 is: 254,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,816.96 : 520,870.08 = 169,749.80 : x
  2. Step 2: Convert to fraction form
    347,816.96/520,870.08 = 169,749.80/x
  3. Step 3: Cross multiply
    347,816.96x = 520,870.08 × 169,749.80
  4. Step 4: Simplify right side
    347,816.96x = 88,417,591,905.98
  5. Step 5: Solve for x
    x = 88,417,591,905.98/347,816.96
  6. Step 6: Final answer
    x = 254,207.25

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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.