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Finding the Fourth Proportional to 425,153.44, 637,704.24 and 175,828.96

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Solution

The fourth proportional to 425,153.44, 637,704.24 and 175,828.96 is: 263,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,153.44 : 637,704.24 = 175,828.96 : x
  2. Step 2: Convert to fraction form
    425,153.44/637,704.24 = 175,828.96/x
  3. Step 3: Cross multiply
    425,153.44x = 637,704.24 × 175,828.96
  4. Step 4: Simplify right side
    425,153.44x = 112,126,873,306.79
  5. Step 5: Solve for x
    x = 112,126,873,306.79/425,153.44
  6. Step 6: Final answer
    x = 263,732.72

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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.