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Finding the Fourth Proportional to 423,093.66, 634,504.41 and 223,299.06

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Solution

The fourth proportional to 423,093.66, 634,504.41 and 223,299.06 is: 334,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,093.66 : 634,504.41 = 223,299.06 : x
  2. Step 2: Convert to fraction form
    423,093.66/634,504.41 = 223,299.06/x
  3. Step 3: Cross multiply
    423,093.66x = 634,504.41 × 223,299.06
  4. Step 4: Simplify right side
    423,093.66x = 141,684,238,318.86
  5. Step 5: Solve for x
    x = 141,684,238,318.86/423,093.66
  6. Step 6: Final answer
    x = 334,876.77

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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.