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Finding the Fourth Proportional to 339,888, 468,723.60 and 247,923.84

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Solution

The fourth proportional to 339,888, 468,723.60 and 247,923.84 is: 341,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,888 : 468,723.60 = 247,923.84 : x
  2. Step 2: Convert to fraction form
    339,888/468,723.60 = 247,923.84/x
  3. Step 3: Cross multiply
    339,888x = 468,723.60 × 247,923.84
  4. Step 4: Simplify right side
    339,888x = 116,207,754,810.62
  5. Step 5: Solve for x
    x = 116,207,754,810.62/339,888
  6. Step 6: Final answer
    x = 341,900.14

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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.