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Finding the Fourth Proportional to 358,999.89, 495,397.58 and 197,845.93

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Solution

The fourth proportional to 358,999.89, 495,397.58 and 197,845.93 is: 273,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,999.89 : 495,397.58 = 197,845.93 : x
  2. Step 2: Convert to fraction form
    358,999.89/495,397.58 = 197,845.93/x
  3. Step 3: Cross multiply
    358,999.89x = 495,397.58 × 197,845.93
  4. Step 4: Simplify right side
    358,999.89x = 98,012,394,934.85
  5. Step 5: Solve for x
    x = 98,012,394,934.85/358,999.89
  6. Step 6: Final answer
    x = 273,015.11

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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.