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Finding the Fourth Proportional to 633,261.71, 873,902.48 and 342,876.42

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Solution

The fourth proportional to 633,261.71, 873,902.48 and 342,876.42 is: 473,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,261.71 : 873,902.48 = 342,876.42 : x
  2. Step 2: Convert to fraction form
    633,261.71/873,902.48 = 342,876.42/x
  3. Step 3: Cross multiply
    633,261.71x = 873,902.48 × 342,876.42
  4. Step 4: Simplify right side
    633,261.71x = 299,640,552,057.14
  5. Step 5: Solve for x
    x = 299,640,552,057.14/633,261.71
  6. Step 6: Final answer
    x = 473,170.17

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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.