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Finding the Fourth Proportional to 425,648.22, 637,874.84 and 233,027.46

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Solution

The fourth proportional to 425,648.22, 637,874.84 and 233,027.46 is: 349,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,648.22 : 637,874.84 = 233,027.46 : x
  2. Step 2: Convert to fraction form
    425,648.22/637,874.84 = 233,027.46/x
  3. Step 3: Cross multiply
    425,648.22x = 637,874.84 × 233,027.46
  4. Step 4: Simplify right side
    425,648.22x = 148,642,351,747.33
  5. Step 5: Solve for x
    x = 148,642,351,747.33/425,648.22
  6. Step 6: Final answer
    x = 349,214.08

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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.