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Finding the Fourth Proportional to 377,863.44, 521,499.24 and 216,715.02

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Solution

The fourth proportional to 377,863.44, 521,499.24 and 216,715.02 is: 299,094.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,863.44 : 521,499.24 = 216,715.02 : x
  2. Step 2: Convert to fraction form
    377,863.44/521,499.24 = 216,715.02/x
  3. Step 3: Cross multiply
    377,863.44x = 521,499.24 × 216,715.02
  4. Step 4: Simplify right side
    377,863.44x = 113,016,718,226.59
  5. Step 5: Solve for x
    x = 113,016,718,226.59/377,863.44
  6. Step 6: Final answer
    x = 299,094.08

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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.