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Finding the Fourth Proportional to 344,101.20, 516,151.80 and 344,101.20

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Solution

The fourth proportional to 344,101.20, 516,151.80 and 344,101.20 is: 516,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,101.20 : 516,151.80 = 344,101.20 : x
  2. Step 2: Convert to fraction form
    344,101.20/516,151.80 = 344,101.20/x
  3. Step 3: Cross multiply
    344,101.20x = 516,151.80 × 344,101.20
  4. Step 4: Simplify right side
    344,101.20x = 177,608,453,762.16
  5. Step 5: Solve for x
    x = 177,608,453,762.16/344,101.20
  6. Step 6: Final answer
    x = 516,151.80

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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.