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Finding the Fourth Proportional to 331,618.72, 457,652.54 and 250,906.12

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Solution

The fourth proportional to 331,618.72, 457,652.54 and 250,906.12 is: 346,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,618.72 : 457,652.54 = 250,906.12 : x
  2. Step 2: Convert to fraction form
    331,618.72/457,652.54 = 250,906.12/x
  3. Step 3: Cross multiply
    331,618.72x = 457,652.54 × 250,906.12
  4. Step 4: Simplify right side
    331,618.72x = 114,827,823,119.55
  5. Step 5: Solve for x
    x = 114,827,823,119.55/331,618.72
  6. Step 6: Final answer
    x = 346,264.60

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1.5x scale

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.