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Finding the Fourth Proportional to 344,343.05, 516,218.75 and 119,674.30

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Solution

The fourth proportional to 344,343.05, 516,218.75 and 119,674.30 is: 179,408.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,343.05 : 516,218.75 = 119,674.30 : x
  2. Step 2: Convert to fraction form
    344,343.05/516,218.75 = 119,674.30/x
  3. Step 3: Cross multiply
    344,343.05x = 516,218.75 × 119,674.30
  4. Step 4: Simplify right side
    344,343.05x = 61,778,116,112.99
  5. Step 5: Solve for x
    x = 61,778,116,112.99/344,343.05
  6. Step 6: Final answer
    x = 179,408.63

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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.