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Finding the Fourth Proportional to 397,460.90, 595,440.34 and 234,869.95

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Solution

The fourth proportional to 397,460.90, 595,440.34 and 234,869.95 is: 351,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,460.90 : 595,440.34 = 234,869.95 : x
  2. Step 2: Convert to fraction form
    397,460.90/595,440.34 = 234,869.95/x
  3. Step 3: Cross multiply
    397,460.90x = 595,440.34 × 234,869.95
  4. Step 4: Simplify right side
    397,460.90x = 139,851,042,883.78
  5. Step 5: Solve for x
    x = 139,851,042,883.78/397,460.90
  6. Step 6: Final answer
    x = 351,861.13

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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.