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Finding the Fourth Proportional to 547,554.92, 755,617.82 and 305,840.94

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Solution

The fourth proportional to 547,554.92, 755,617.82 and 305,840.94 is: 422,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,554.92 : 755,617.82 = 305,840.94 : x
  2. Step 2: Convert to fraction form
    547,554.92/755,617.82 = 305,840.94/x
  3. Step 3: Cross multiply
    547,554.92x = 755,617.82 × 305,840.94
  4. Step 4: Simplify right side
    547,554.92x = 231,098,864,349.55
  5. Step 5: Solve for x
    x = 231,098,864,349.55/547,554.92
  6. Step 6: Final answer
    x = 422,056.05

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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.