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Finding the Fourth Proportional to 344,661.11, 516,676.51 and 144,995.60

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Solution

The fourth proportional to 344,661.11, 516,676.51 and 144,995.60 is: 217,360.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,661.11 : 516,676.51 = 144,995.60 : x
  2. Step 2: Convert to fraction form
    344,661.11/516,676.51 = 144,995.60/x
  3. Step 3: Cross multiply
    344,661.11x = 516,676.51 × 144,995.60
  4. Step 4: Simplify right side
    344,661.11x = 74,915,820,573.36
  5. Step 5: Solve for x
    x = 74,915,820,573.36/344,661.11
  6. Step 6: Final answer
    x = 217,360.82

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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.