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Finding the Fourth Proportional to 661,879.04, 992,654.53 and 188,568.50

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Solution

The fourth proportional to 661,879.04, 992,654.53 and 188,568.50 is: 282,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,879.04 : 992,654.53 = 188,568.50 : x
  2. Step 2: Convert to fraction form
    661,879.04/992,654.53 = 188,568.50/x
  3. Step 3: Cross multiply
    661,879.04x = 992,654.53 × 188,568.50
  4. Step 4: Simplify right side
    661,879.04x = 187,183,370,305.61
  5. Step 5: Solve for x
    x = 187,183,370,305.61/661,879.04
  6. Step 6: Final answer
    x = 282,806.01

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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.