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Finding the Fourth Proportional to 298,924, 412,523.76 and 164,796.64

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Solution

The fourth proportional to 298,924, 412,523.76 and 164,796.64 is: 227,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,924 : 412,523.76 = 164,796.64 : x
  2. Step 2: Convert to fraction form
    298,924/412,523.76 = 164,796.64/x
  3. Step 3: Cross multiply
    298,924x = 412,523.76 × 164,796.64
  4. Step 4: Simplify right side
    298,924x = 67,982,529,568.17
  5. Step 5: Solve for x
    x = 67,982,529,568.17/298,924
  6. Step 6: Final answer
    x = 227,424.13

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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.