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Finding the Fourth Proportional to 664,060.16, 916,401.12 and 362,252

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Solution

The fourth proportional to 664,060.16, 916,401.12 and 362,252 is: 499,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,060.16 : 916,401.12 = 362,252 : x
  2. Step 2: Convert to fraction form
    664,060.16/916,401.12 = 362,252/x
  3. Step 3: Cross multiply
    664,060.16x = 916,401.12 × 362,252
  4. Step 4: Simplify right side
    664,060.16x = 331,968,138,522.24
  5. Step 5: Solve for x
    x = 331,968,138,522.24/664,060.16
  6. Step 6: Final answer
    x = 499,906.72

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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.