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Finding the Fourth Proportional to 342,799.21, 514,006.48 and 234,850.56

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Solution

The fourth proportional to 342,799.21, 514,006.48 and 234,850.56 is: 352,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,799.21 : 514,006.48 = 234,850.56 : x
  2. Step 2: Convert to fraction form
    342,799.21/514,006.48 = 234,850.56/x
  3. Step 3: Cross multiply
    342,799.21x = 514,006.48 × 234,850.56
  4. Step 4: Simplify right side
    342,799.21x = 120,714,709,671.63
  5. Step 5: Solve for x
    x = 120,714,709,671.63/342,799.21
  6. Step 6: Final answer
    x = 352,144.07

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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.