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Finding the Fourth Proportional to 358,753.17, 495,061.11 and 197,604.75

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Solution

The fourth proportional to 358,753.17, 495,061.11 and 197,604.75 is: 272,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,753.17 : 495,061.11 = 197,604.75 : x
  2. Step 2: Convert to fraction form
    358,753.17/495,061.11 = 197,604.75/x
  3. Step 3: Cross multiply
    358,753.17x = 495,061.11 × 197,604.75
  4. Step 4: Simplify right side
    358,753.17x = 97,826,426,876.27
  5. Step 5: Solve for x
    x = 97,826,426,876.27/358,753.17
  6. Step 6: Final answer
    x = 272,684.49

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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.