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Finding the Fourth Proportional to 340,625.83, 470,063.78 and 197,468.86

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Solution

The fourth proportional to 340,625.83, 470,063.78 and 197,468.86 is: 272,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,625.83 : 470,063.78 = 197,468.86 : x
  2. Step 2: Convert to fraction form
    340,625.83/470,063.78 = 197,468.86/x
  3. Step 3: Cross multiply
    340,625.83x = 470,063.78 × 197,468.86
  4. Step 4: Simplify right side
    340,625.83x = 92,822,958,763.89
  5. Step 5: Solve for x
    x = 92,822,958,763.89/340,625.83
  6. Step 6: Final answer
    x = 272,507.10

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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.