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Finding the Fourth Proportional to 633,514.62, 874,250.34 and 347,044.89

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Solution

The fourth proportional to 633,514.62, 874,250.34 and 347,044.89 is: 478,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,514.62 : 874,250.34 = 347,044.89 : x
  2. Step 2: Convert to fraction form
    633,514.62/874,250.34 = 347,044.89/x
  3. Step 3: Cross multiply
    633,514.62x = 874,250.34 × 347,044.89
  4. Step 4: Simplify right side
    633,514.62x = 303,404,113,077.76
  5. Step 5: Solve for x
    x = 303,404,113,077.76/633,514.62
  6. Step 6: Final answer
    x = 478,922.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.