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Finding the Fourth Proportional to 297,839.69, 411,078.55 and 176,957.71

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Solution

The fourth proportional to 297,839.69, 411,078.55 and 176,957.71 is: 244,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,839.69 : 411,078.55 = 176,957.71 : x
  2. Step 2: Convert to fraction form
    297,839.69/411,078.55 = 176,957.71/x
  3. Step 3: Cross multiply
    297,839.69x = 411,078.55 × 176,957.71
  4. Step 4: Simplify right side
    297,839.69x = 72,743,518,838.12
  5. Step 5: Solve for x
    x = 72,743,518,838.12/297,839.69
  6. Step 6: Final answer
    x = 244,237.16

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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.