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Finding the Fourth Proportional to 547,160.97, 755,094.86 and 343,220.49

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Solution

The fourth proportional to 547,160.97, 755,094.86 and 343,220.49 is: 473,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,160.97 : 755,094.86 = 343,220.49 : x
  2. Step 2: Convert to fraction form
    547,160.97/755,094.86 = 343,220.49/x
  3. Step 3: Cross multiply
    547,160.97x = 755,094.86 × 343,220.49
  4. Step 4: Simplify right side
    547,160.97x = 259,164,027,416.66
  5. Step 5: Solve for x
    x = 259,164,027,416.66/547,160.97
  6. Step 6: Final answer
    x = 473,652.25

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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.