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Finding the Fourth Proportional to 424,830.53, 637,058.83 and 225,104.88

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Solution

The fourth proportional to 424,830.53, 637,058.83 and 225,104.88 is: 337,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,830.53 : 637,058.83 = 225,104.88 : x
  2. Step 2: Convert to fraction form
    424,830.53/637,058.83 = 225,104.88/x
  3. Step 3: Cross multiply
    424,830.53x = 637,058.83 × 225,104.88
  4. Step 4: Simplify right side
    424,830.53x = 143,405,050,354.57
  5. Step 5: Solve for x
    x = 143,405,050,354.57/424,830.53
  6. Step 6: Final answer
    x = 337,558.25

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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.