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Finding the Fourth Proportional to 347,474.53, 520,854.92 and 197,394.36

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Solution

The fourth proportional to 347,474.53, 520,854.92 and 197,394.36 is: 295,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,474.53 : 520,854.92 = 197,394.36 : x
  2. Step 2: Convert to fraction form
    347,474.53/520,854.92 = 197,394.36/x
  3. Step 3: Cross multiply
    347,474.53x = 520,854.92 × 197,394.36
  4. Step 4: Simplify right side
    347,474.53x = 102,813,820,981.98
  5. Step 5: Solve for x
    x = 102,813,820,981.98/347,474.53
  6. Step 6: Final answer
    x = 295,888.80

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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.