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Finding the Fourth Proportional to 351,898.22, 527,847.44 and 127,253.63

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Solution

The fourth proportional to 351,898.22, 527,847.44 and 127,253.63 is: 190,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,898.22 : 527,847.44 = 127,253.63 : x
  2. Step 2: Convert to fraction form
    351,898.22/527,847.44 = 127,253.63/x
  3. Step 3: Cross multiply
    351,898.22x = 527,847.44 × 127,253.63
  4. Step 4: Simplify right side
    351,898.22x = 67,170,503,509.56
  5. Step 5: Solve for x
    x = 67,170,503,509.56/351,898.22
  6. Step 6: Final answer
    x = 190,880.49

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1.5x scale

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.