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Finding the Fourth Proportional to 379,701.78, 569,553.22 and 155,062.22

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Solution

The fourth proportional to 379,701.78, 569,553.22 and 155,062.22 is: 232,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,701.78 : 569,553.22 = 155,062.22 : x
  2. Step 2: Convert to fraction form
    379,701.78/569,553.22 = 155,062.22/x
  3. Step 3: Cross multiply
    379,701.78x = 569,553.22 × 155,062.22
  4. Step 4: Simplify right side
    379,701.78x = 88,316,184,241.24
  5. Step 5: Solve for x
    x = 88,316,184,241.24/379,701.78
  6. Step 6: Final answer
    x = 232,593.55

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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.