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Finding the Fourth Proportional to 340,389.27, 469,800.18 and 197,149.27

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Solution

The fourth proportional to 340,389.27, 469,800.18 and 197,149.27 is: 272,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,389.27 : 469,800.18 = 197,149.27 : x
  2. Step 2: Convert to fraction form
    340,389.27/469,800.18 = 197,149.27/x
  3. Step 3: Cross multiply
    340,389.27x = 469,800.18 × 197,149.27
  4. Step 4: Simplify right side
    340,389.27x = 92,620,762,532.87
  5. Step 5: Solve for x
    x = 92,620,762,532.87/340,389.27
  6. Step 6: Final answer
    x = 272,102.47

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1.5x scale

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.