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Finding the Fourth Proportional to 358,147.05, 494,246.02 and 194,804.87

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Solution

The fourth proportional to 358,147.05, 494,246.02 and 194,804.87 is: 268,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,147.05 : 494,246.02 = 194,804.87 : x
  2. Step 2: Convert to fraction form
    358,147.05/494,246.02 = 194,804.87/x
  3. Step 3: Cross multiply
    358,147.05x = 494,246.02 × 194,804.87
  4. Step 4: Simplify right side
    358,147.05x = 96,281,531,541.93
  5. Step 5: Solve for x
    x = 96,281,531,541.93/358,147.05
  6. Step 6: Final answer
    x = 268,832.40

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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.