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Finding the Fourth Proportional to 351,295.53, 527,027.13 and 114,638.64

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Solution

The fourth proportional to 351,295.53, 527,027.13 and 114,638.64 is: 171,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,295.53 : 527,027.13 = 114,638.64 : x
  2. Step 2: Convert to fraction form
    351,295.53/527,027.13 = 114,638.64/x
  3. Step 3: Cross multiply
    351,295.53x = 527,027.13 × 114,638.64
  4. Step 4: Simplify right side
    351,295.53x = 60,417,673,426.30
  5. Step 5: Solve for x
    x = 60,417,673,426.30/351,295.53
  6. Step 6: Final answer
    x = 171,985.32

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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.