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Finding the Fourth Proportional to 340,995.51, 470,601.83 and 188,063.62

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Solution

The fourth proportional to 340,995.51, 470,601.83 and 188,063.62 is: 259,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,995.51 : 470,601.83 = 188,063.62 : x
  2. Step 2: Convert to fraction form
    340,995.51/470,601.83 = 188,063.62/x
  3. Step 3: Cross multiply
    340,995.51x = 470,601.83 × 188,063.62
  4. Step 4: Simplify right side
    340,995.51x = 88,503,083,728.42
  5. Step 5: Solve for x
    x = 88,503,083,728.42/340,995.51
  6. Step 6: Final answer
    x = 259,543.25

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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.