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Finding the Fourth Proportional to 358,980.08, 495,402.90 and 197,845.52

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Solution

The fourth proportional to 358,980.08, 495,402.90 and 197,845.52 is: 273,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,980.08 : 495,402.90 = 197,845.52 : x
  2. Step 2: Convert to fraction form
    358,980.08/495,402.90 = 197,845.52/x
  3. Step 3: Cross multiply
    358,980.08x = 495,402.90 × 197,845.52
  4. Step 4: Simplify right side
    358,980.08x = 98,013,244,360.01
  5. Step 5: Solve for x
    x = 98,013,244,360.01/358,980.08
  6. Step 6: Final answer
    x = 273,032.54

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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.