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Finding the Fourth Proportional to 2,100,156, 3,150,234 and 604,248

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Solution

The fourth proportional to 2,100,156, 3,150,234 and 604,248 is: 906,372

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,156 : 3,150,234 = 604,248 : x
  2. Step 2: Convert to fraction form
    2,100,156/3,150,234 = 604,248/x
  3. Step 3: Cross multiply
    2,100,156x = 3,150,234 × 604,248
  4. Step 4: Simplify right side
    2,100,156x = 1,903,522,594,032
  5. Step 5: Solve for x
    x = 1,903,522,594,032/2,100,156
  6. Step 6: Final answer
    x = 906,372

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.