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Finding the Fourth Proportional to 358,694.92, 495,021.36 and 197,549.92

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Solution

The fourth proportional to 358,694.92, 495,021.36 and 197,549.92 is: 272,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,694.92 : 495,021.36 = 197,549.92 : x
  2. Step 2: Convert to fraction form
    358,694.92/495,021.36 = 197,549.92/x
  3. Step 3: Cross multiply
    358,694.92x = 495,021.36 × 197,549.92
  4. Step 4: Simplify right side
    358,694.92x = 97,791,430,066.29
  5. Step 5: Solve for x
    x = 97,791,430,066.29/358,694.92
  6. Step 6: Final answer
    x = 272,631.21

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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.