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Finding the Fourth Proportional to 344,324.20, 516,486.30 and 251,012.20

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Solution

The fourth proportional to 344,324.20, 516,486.30 and 251,012.20 is: 376,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,324.20 : 516,486.30 = 251,012.20 : x
  2. Step 2: Convert to fraction form
    344,324.20/516,486.30 = 251,012.20/x
  3. Step 3: Cross multiply
    344,324.20x = 516,486.30 × 251,012.20
  4. Step 4: Simplify right side
    344,324.20x = 129,644,362,432.86
  5. Step 5: Solve for x
    x = 129,644,362,432.86/344,324.20
  6. Step 6: Final answer
    x = 376,518.30

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1.5x scale

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.