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Finding the Fourth Proportional to 514,419.00, 771,703.68 and 247,960.39

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Solution

The fourth proportional to 514,419.00, 771,703.68 and 247,960.39 is: 371,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,419.00 : 771,703.68 = 247,960.39 : x
  2. Step 2: Convert to fraction form
    514,419.00/771,703.68 = 247,960.39/x
  3. Step 3: Cross multiply
    514,419.00x = 771,703.68 × 247,960.39
  4. Step 4: Simplify right side
    514,419.00x = 191,351,945,207.38
  5. Step 5: Solve for x
    x = 191,351,945,207.38/514,419.00
  6. Step 6: Final answer
    x = 371,976.82

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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.