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Finding the Fourth Proportional to 477,997.61, 659,611.35 and 263,096.30

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Solution

The fourth proportional to 477,997.61, 659,611.35 and 263,096.30 is: 363,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,997.61 : 659,611.35 = 263,096.30 : x
  2. Step 2: Convert to fraction form
    477,997.61/659,611.35 = 263,096.30/x
  3. Step 3: Cross multiply
    477,997.61x = 659,611.35 × 263,096.30
  4. Step 4: Simplify right side
    477,997.61x = 173,541,307,272.03
  5. Step 5: Solve for x
    x = 173,541,307,272.03/477,997.61
  6. Step 6: Final answer
    x = 363,058.95

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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.