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Finding the Fourth Proportional to 298,496.67, 411,904.63 and 169,437.75

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Solution

The fourth proportional to 298,496.67, 411,904.63 and 169,437.75 is: 233,812.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,496.67 : 411,904.63 = 169,437.75 : x
  2. Step 2: Convert to fraction form
    298,496.67/411,904.63 = 169,437.75/x
  3. Step 3: Cross multiply
    298,496.67x = 411,904.63 × 169,437.75
  4. Step 4: Simplify right side
    298,496.67x = 69,792,192,874.59
  5. Step 5: Solve for x
    x = 69,792,192,874.59/298,496.67
  6. Step 6: Final answer
    x = 233,812.30

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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.