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Finding the Fourth Proportional to 217,218.03, 325,803.01 and 57,310.17

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Solution

The fourth proportional to 217,218.03, 325,803.01 and 57,310.17 is: 85,958.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,218.03 : 325,803.01 = 57,310.17 : x
  2. Step 2: Convert to fraction form
    217,218.03/325,803.01 = 57,310.17/x
  3. Step 3: Cross multiply
    217,218.03x = 325,803.01 × 57,310.17
  4. Step 4: Simplify right side
    217,218.03x = 18,671,825,889.61
  5. Step 5: Solve for x
    x = 18,671,825,889.61/217,218.03
  6. Step 6: Final answer
    x = 85,958.91

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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.