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Finding the Fourth Proportional to 499,467.99, 688,324.13 and 361,413.27

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Solution

The fourth proportional to 499,467.99, 688,324.13 and 361,413.27 is: 498,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,467.99 : 688,324.13 = 361,413.27 : x
  2. Step 2: Convert to fraction form
    499,467.99/688,324.13 = 361,413.27/x
  3. Step 3: Cross multiply
    499,467.99x = 688,324.13 × 361,413.27
  4. Step 4: Simplify right side
    499,467.99x = 248,769,472,836.14
  5. Step 5: Solve for x
    x = 248,769,472,836.14/499,467.99
  6. Step 6: Final answer
    x = 498,068.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.