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Finding the Fourth Proportional to 408,768.24, 613,244.64 and 124,484.24

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Solution

The fourth proportional to 408,768.24, 613,244.64 and 124,484.24 is: 186,754.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,768.24 : 613,244.64 = 124,484.24 : x
  2. Step 2: Convert to fraction form
    408,768.24/613,244.64 = 124,484.24/x
  3. Step 3: Cross multiply
    408,768.24x = 613,244.64 × 124,484.24
  4. Step 4: Simplify right side
    408,768.24x = 76,339,292,944.47
  5. Step 5: Solve for x
    x = 76,339,292,944.47/408,768.24
  6. Step 6: Final answer
    x = 186,754.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.