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Finding the Fourth Proportional to 443,571.08, 612,057.30 and 252,588.20

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Solution

The fourth proportional to 443,571.08, 612,057.30 and 252,588.20 is: 348,531.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,571.08 : 612,057.30 = 252,588.20 : x
  2. Step 2: Convert to fraction form
    443,571.08/612,057.30 = 252,588.20/x
  3. Step 3: Cross multiply
    443,571.08x = 612,057.30 × 252,588.20
  4. Step 4: Simplify right side
    443,571.08x = 154,598,451,703.86
  5. Step 5: Solve for x
    x = 154,598,451,703.86/443,571.08
  6. Step 6: Final answer
    x = 348,531.40

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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.