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Finding the Fourth Proportional to 358,760.91, 495,084.15 and 197,631.03

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Solution

The fourth proportional to 358,760.91, 495,084.15 and 197,631.03 is: 272,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,760.91 : 495,084.15 = 197,631.03 : x
  2. Step 2: Convert to fraction form
    358,760.91/495,084.15 = 197,631.03/x
  3. Step 3: Cross multiply
    358,760.91x = 495,084.15 × 197,631.03
  4. Step 4: Simplify right side
    358,760.91x = 97,843,990,501.17
  5. Step 5: Solve for x
    x = 97,843,990,501.17/358,760.91
  6. Step 6: Final answer
    x = 272,727.57

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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.