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Finding the Fourth Proportional to 344,334.60, 516,501.90 and 119,620.35

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Solution

The fourth proportional to 344,334.60, 516,501.90 and 119,620.35 is: 179,430.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,334.60 : 516,501.90 = 119,620.35 : x
  2. Step 2: Convert to fraction form
    344,334.60/516,501.90 = 119,620.35/x
  3. Step 3: Cross multiply
    344,334.60x = 516,501.90 × 119,620.35
  4. Step 4: Simplify right side
    344,334.60x = 61,784,138,053.67
  5. Step 5: Solve for x
    x = 61,784,138,053.67/344,334.60
  6. Step 6: Final answer
    x = 179,430.53

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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.