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Finding the Fourth Proportional to 245,978.14, 339,475.35 and 150,548.38

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Solution

The fourth proportional to 245,978.14, 339,475.35 and 150,548.38 is: 207,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,978.14 : 339,475.35 = 150,548.38 : x
  2. Step 2: Convert to fraction form
    245,978.14/339,475.35 = 150,548.38/x
  3. Step 3: Cross multiply
    245,978.14x = 339,475.35 × 150,548.38
  4. Step 4: Simplify right side
    245,978.14x = 51,107,463,992.43
  5. Step 5: Solve for x
    x = 51,107,463,992.43/245,978.14
  6. Step 6: Final answer
    x = 207,772.38

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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.