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Finding the Fourth Proportional to 519,763.92, 779,711.49 and 182,725.35

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Solution

The fourth proportional to 519,763.92, 779,711.49 and 182,725.35 is: 274,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,763.92 : 779,711.49 = 182,725.35 : x
  2. Step 2: Convert to fraction form
    519,763.92/779,711.49 = 182,725.35/x
  3. Step 3: Cross multiply
    519,763.92x = 779,711.49 × 182,725.35
  4. Step 4: Simplify right side
    519,763.92x = 142,473,054,909.27
  5. Step 5: Solve for x
    x = 142,473,054,909.27/519,763.92
  6. Step 6: Final answer
    x = 274,111.09

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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.