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Finding the Fourth Proportional to 358,999.54, 495,399.16 and 197,854.08

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Solution

The fourth proportional to 358,999.54, 495,399.16 and 197,854.08 is: 273,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,999.54 : 495,399.16 = 197,854.08 : x
  2. Step 2: Convert to fraction form
    358,999.54/495,399.16 = 197,854.08/x
  3. Step 3: Cross multiply
    358,999.54x = 495,399.16 × 197,854.08
  4. Step 4: Simplify right side
    358,999.54x = 98,016,745,034.57
  5. Step 5: Solve for x
    x = 98,016,745,034.57/358,999.54
  6. Step 6: Final answer
    x = 273,027.49

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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.