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Finding the Fourth Proportional to 340,625.58, 470,063.43 and 197,468.61

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Solution

The fourth proportional to 340,625.58, 470,063.43 and 197,468.61 is: 272,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,625.58 : 470,063.43 = 197,468.61 : x
  2. Step 2: Convert to fraction form
    340,625.58/470,063.43 = 197,468.61/x
  3. Step 3: Cross multiply
    340,625.58x = 470,063.43 × 197,468.61
  4. Step 4: Simplify right side
    340,625.58x = 92,822,772,133.93
  5. Step 5: Solve for x
    x = 92,822,772,133.93/340,625.58
  6. Step 6: Final answer
    x = 272,506.76

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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.