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Finding the Fourth Proportional to 358,856.70, 495,203.90 and 197,708.52

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Solution

The fourth proportional to 358,856.70, 495,203.90 and 197,708.52 is: 272,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,856.70 : 495,203.90 = 197,708.52 : x
  2. Step 2: Convert to fraction form
    358,856.70/495,203.90 = 197,708.52/x
  3. Step 3: Cross multiply
    358,856.70x = 495,203.90 × 197,708.52
  4. Step 4: Simplify right side
    358,856.70x = 97,906,030,167.23
  5. Step 5: Solve for x
    x = 97,906,030,167.23/358,856.70
  6. Step 6: Final answer
    x = 272,827.65

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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.