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Finding the Fourth Proportional to 425,170.44, 637,834.14 and 175,871.88

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Solution

The fourth proportional to 425,170.44, 637,834.14 and 175,871.88 is: 263,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,170.44 : 637,834.14 = 175,871.88 : x
  2. Step 2: Convert to fraction form
    425,170.44/637,834.14 = 175,871.88/x
  3. Step 3: Cross multiply
    425,170.44x = 637,834.14 × 175,871.88
  4. Step 4: Simplify right side
    425,170.44x = 112,177,089,329.98
  5. Step 5: Solve for x
    x = 112,177,089,329.98/425,170.44
  6. Step 6: Final answer
    x = 263,840.28

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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.