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Finding the Fourth Proportional to 340,314.80, 510,472.20 and 234,026.60

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Solution

The fourth proportional to 340,314.80, 510,472.20 and 234,026.60 is: 351,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,314.80 : 510,472.20 = 234,026.60 : x
  2. Step 2: Convert to fraction form
    340,314.80/510,472.20 = 234,026.60/x
  3. Step 3: Cross multiply
    340,314.80x = 510,472.20 × 234,026.60
  4. Step 4: Simplify right side
    340,314.80x = 119,464,073,360.52
  5. Step 5: Solve for x
    x = 119,464,073,360.52/340,314.80
  6. Step 6: Final answer
    x = 351,039.90

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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.