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Finding the Fourth Proportional to 347,592, 520,230.76 and 262,885.44

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Solution

The fourth proportional to 347,592, 520,230.76 and 262,885.44 is: 393,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,592 : 520,230.76 = 262,885.44 : x
  2. Step 2: Convert to fraction form
    347,592/520,230.76 = 262,885.44/x
  3. Step 3: Cross multiply
    347,592x = 520,230.76 × 262,885.44
  4. Step 4: Simplify right side
    347,592x = 136,761,092,244.13
  5. Step 5: Solve for x
    x = 136,761,092,244.13/347,592
  6. Step 6: Final answer
    x = 393,452.93

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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.