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Finding the Fourth Proportional to 303,604, 418,973.76 and 169,468

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Solution

The fourth proportional to 303,604, 418,973.76 and 169,468 is: 233,865.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,604 : 418,973.76 = 169,468 : x
  2. Step 2: Convert to fraction form
    303,604/418,973.76 = 169,468/x
  3. Step 3: Cross multiply
    303,604x = 418,973.76 × 169,468
  4. Step 4: Simplify right side
    303,604x = 71,002,645,159.68
  5. Step 5: Solve for x
    x = 71,002,645,159.68/303,604
  6. Step 6: Final answer
    x = 233,865.97

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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.