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Finding the Fourth Proportional to 379,403.94, 569,167.68 and 177,202.25

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Solution

The fourth proportional to 379,403.94, 569,167.68 and 177,202.25 is: 265,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,403.94 : 569,167.68 = 177,202.25 : x
  2. Step 2: Convert to fraction form
    379,403.94/569,167.68 = 177,202.25/x
  3. Step 3: Cross multiply
    379,403.94x = 569,167.68 × 177,202.25
  4. Step 4: Simplify right side
    379,403.94x = 100,857,793,523.28
  5. Step 5: Solve for x
    x = 100,857,793,523.28/379,403.94
  6. Step 6: Final answer
    x = 265,832.22

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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.