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Finding the Fourth Proportional to 484,838.46, 669,123.59 and 269,978.47

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Solution

The fourth proportional to 484,838.46, 669,123.59 and 269,978.47 is: 372,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,838.46 : 669,123.59 = 269,978.47 : x
  2. Step 2: Convert to fraction form
    484,838.46/669,123.59 = 269,978.47/x
  3. Step 3: Cross multiply
    484,838.46x = 669,123.59 × 269,978.47
  4. Step 4: Simplify right side
    484,838.46x = 180,648,960,046.41
  5. Step 5: Solve for x
    x = 180,648,960,046.41/484,838.46
  6. Step 6: Final answer
    x = 372,596.18

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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.