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Finding the Fourth Proportional to 519,002.79, 778,437.23 and 164,052.69

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Solution

The fourth proportional to 519,002.79, 778,437.23 and 164,052.69 is: 246,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,002.79 : 778,437.23 = 164,052.69 : x
  2. Step 2: Convert to fraction form
    519,002.79/778,437.23 = 164,052.69/x
  3. Step 3: Cross multiply
    519,002.79x = 778,437.23 × 164,052.69
  4. Step 4: Simplify right side
    519,002.79x = 127,704,720,757.39
  5. Step 5: Solve for x
    x = 127,704,720,757.39/519,002.79
  6. Step 6: Final answer
    x = 246,057.87

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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.