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Finding the Fourth Proportional to 245,678.14, 339,220.60 and 241,754.59

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Solution

The fourth proportional to 245,678.14, 339,220.60 and 241,754.59 is: 333,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,678.14 : 339,220.60 = 241,754.59 : x
  2. Step 2: Convert to fraction form
    245,678.14/339,220.60 = 241,754.59/x
  3. Step 3: Cross multiply
    245,678.14x = 339,220.60 × 241,754.59
  4. Step 4: Simplify right side
    245,678.14x = 82,008,135,620.12
  5. Step 5: Solve for x
    x = 82,008,135,620.12/245,678.14
  6. Step 6: Final answer
    x = 333,803.15

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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.