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Finding the Fourth Proportional to 515,249.00, 711,055.02 and 285,798.82

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Solution

The fourth proportional to 515,249.00, 711,055.02 and 285,798.82 is: 394,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,249.00 : 711,055.02 = 285,798.82 : x
  2. Step 2: Convert to fraction form
    515,249.00/711,055.02 = 285,798.82/x
  3. Step 3: Cross multiply
    515,249.00x = 711,055.02 × 285,798.82
  4. Step 4: Simplify right side
    515,249.00x = 203,218,683,361.87
  5. Step 5: Solve for x
    x = 203,218,683,361.87/515,249.00
  6. Step 6: Final answer
    x = 394,408.69

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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.