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Finding the Fourth Proportional to 216,219.11, 298,218.17 and 186,054.98

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Solution

The fourth proportional to 216,219.11, 298,218.17 and 186,054.98 is: 256,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,219.11 : 298,218.17 = 186,054.98 : x
  2. Step 2: Convert to fraction form
    216,219.11/298,218.17 = 186,054.98/x
  3. Step 3: Cross multiply
    216,219.11x = 298,218.17 × 186,054.98
  4. Step 4: Simplify right side
    216,219.11x = 55,484,974,629.03
  5. Step 5: Solve for x
    x = 55,484,974,629.03/216,219.11
  6. Step 6: Final answer
    x = 256,614.58

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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.