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Finding the Fourth Proportional to 298,503.39, 411,913.85 and 169,444.47

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Solution

The fourth proportional to 298,503.39, 411,913.85 and 169,444.47 is: 233,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,503.39 : 411,913.85 = 169,444.47 : x
  2. Step 2: Convert to fraction form
    298,503.39/411,913.85 = 169,444.47/x
  3. Step 3: Cross multiply
    298,503.39x = 411,913.85 × 169,444.47
  4. Step 4: Simplify right side
    298,503.39x = 69,796,523,151.69
  5. Step 5: Solve for x
    x = 69,796,523,151.69/298,503.39
  6. Step 6: Final answer
    x = 233,821.54

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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.