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Finding the Fourth Proportional to 343,636, 474,425.04 and 224,611.36

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Solution

The fourth proportional to 343,636, 474,425.04 and 224,611.36 is: 310,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,636 : 474,425.04 = 224,611.36 : x
  2. Step 2: Convert to fraction form
    343,636/474,425.04 = 224,611.36/x
  3. Step 3: Cross multiply
    343,636x = 474,425.04 × 224,611.36
  4. Step 4: Simplify right side
    343,636x = 106,561,253,452.45
  5. Step 5: Solve for x
    x = 106,561,253,452.45/343,636
  6. Step 6: Final answer
    x = 310,099.21

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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.