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Finding the Fourth Proportional to 384,725.84, 577,205.40 and 184,989.56

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Solution

The fourth proportional to 384,725.84, 577,205.40 and 184,989.56 is: 277,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,725.84 : 577,205.40 = 184,989.56 : x
  2. Step 2: Convert to fraction form
    384,725.84/577,205.40 = 184,989.56/x
  3. Step 3: Cross multiply
    384,725.84x = 577,205.40 × 184,989.56
  4. Step 4: Simplify right side
    384,725.84x = 106,776,972,975.62
  5. Step 5: Solve for x
    x = 106,776,972,975.62/384,725.84
  6. Step 6: Final answer
    x = 277,540.42

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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.