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Finding the Fourth Proportional to 347,237.49, 520,876.58 and 134,006.52

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Solution

The fourth proportional to 347,237.49, 520,876.58 and 134,006.52 is: 201,017.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,237.49 : 520,876.58 = 134,006.52 : x
  2. Step 2: Convert to fraction form
    347,237.49/520,876.58 = 134,006.52/x
  3. Step 3: Cross multiply
    347,237.49x = 520,876.58 × 134,006.52
  4. Step 4: Simplify right side
    347,237.49x = 69,800,857,835.30
  5. Step 5: Solve for x
    x = 69,800,857,835.30/347,237.49
  6. Step 6: Final answer
    x = 201,017.63

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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.