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Finding the Fourth Proportional to 493,813.87, 740,666.97 and 334,910.57

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Solution

The fourth proportional to 493,813.87, 740,666.97 and 334,910.57 is: 502,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,813.87 : 740,666.97 = 334,910.57 : x
  2. Step 2: Convert to fraction form
    493,813.87/740,666.97 = 334,910.57/x
  3. Step 3: Cross multiply
    493,813.87x = 740,666.97 × 334,910.57
  4. Step 4: Simplify right side
    493,813.87x = 248,057,193,399.54
  5. Step 5: Solve for x
    x = 248,057,193,399.54/493,813.87
  6. Step 6: Final answer
    x = 502,329.34

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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.