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Finding the Fourth Proportional to 358,393.96, 494,574.60 and 195,043.52

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Solution

The fourth proportional to 358,393.96, 494,574.60 and 195,043.52 is: 269,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,393.96 : 494,574.60 = 195,043.52 : x
  2. Step 2: Convert to fraction form
    358,393.96/494,574.60 = 195,043.52/x
  3. Step 3: Cross multiply
    358,393.96x = 494,574.60 × 195,043.52
  4. Step 4: Simplify right side
    358,393.96x = 96,463,570,886.59
  5. Step 5: Solve for x
    x = 96,463,570,886.59/358,393.96
  6. Step 6: Final answer
    x = 269,155.12

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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.