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Finding the Fourth Proportional to 358,686.58, 495,000.17 and 197,553.90

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Solution

The fourth proportional to 358,686.58, 495,000.17 and 197,553.90 is: 272,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,686.58 : 495,000.17 = 197,553.90 : x
  2. Step 2: Convert to fraction form
    358,686.58/495,000.17 = 197,553.90/x
  3. Step 3: Cross multiply
    358,686.58x = 495,000.17 × 197,553.90
  4. Step 4: Simplify right side
    358,686.58x = 97,789,214,084.16
  5. Step 5: Solve for x
    x = 97,789,214,084.16/358,686.58
  6. Step 6: Final answer
    x = 272,631.37

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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.