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Finding the Fourth Proportional to 341,278.38, 470,993.94 and 188,330.94

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Solution

The fourth proportional to 341,278.38, 470,993.94 and 188,330.94 is: 259,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,278.38 : 470,993.94 = 188,330.94 : x
  2. Step 2: Convert to fraction form
    341,278.38/470,993.94 = 188,330.94/x
  3. Step 3: Cross multiply
    341,278.38x = 470,993.94 × 188,330.94
  4. Step 4: Simplify right side
    341,278.38x = 88,702,731,454.50
  5. Step 5: Solve for x
    x = 88,702,731,454.50/341,278.38
  6. Step 6: Final answer
    x = 259,913.13

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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.