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Finding the Fourth Proportional to 503,883.63, 755,932.06 and 166,905.20

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Solution

The fourth proportional to 503,883.63, 755,932.06 and 166,905.20 is: 250,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,883.63 : 755,932.06 = 166,905.20 : x
  2. Step 2: Convert to fraction form
    503,883.63/755,932.06 = 166,905.20/x
  3. Step 3: Cross multiply
    503,883.63x = 755,932.06 × 166,905.20
  4. Step 4: Simplify right side
    503,883.63x = 126,168,991,660.71
  5. Step 5: Solve for x
    x = 126,168,991,660.71/503,883.63
  6. Step 6: Final answer
    x = 250,393.11

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1.5x scale

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.