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Finding the Fourth Proportional to 484,301.91, 668,336.53 and 269,441.92

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Solution

The fourth proportional to 484,301.91, 668,336.53 and 269,441.92 is: 371,829.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,301.91 : 668,336.53 = 269,441.92 : x
  2. Step 2: Convert to fraction form
    484,301.91/668,336.53 = 269,441.92/x
  3. Step 3: Cross multiply
    484,301.91x = 668,336.53 × 269,441.92
  4. Step 4: Simplify right side
    484,301.91x = 180,077,877,849.34
  5. Step 5: Solve for x
    x = 180,077,877,849.34/484,301.91
  6. Step 6: Final answer
    x = 371,829.79

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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.