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Finding the Fourth Proportional to 245,678.39, 339,220.94 and 241,754.84

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Solution

The fourth proportional to 245,678.39, 339,220.94 and 241,754.84 is: 333,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,678.39 : 339,220.94 = 241,754.84 : x
  2. Step 2: Convert to fraction form
    245,678.39/339,220.94 = 241,754.84/x
  3. Step 3: Cross multiply
    245,678.39x = 339,220.94 × 241,754.84
  4. Step 4: Simplify right side
    245,678.39x = 82,008,304,074.35
  5. Step 5: Solve for x
    x = 82,008,304,074.35/245,678.39
  6. Step 6: Final answer
    x = 333,803.49

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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.