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Finding the Fourth Proportional to 443,063.92, 611,420.38 and 252,073.21

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Solution

The fourth proportional to 443,063.92, 611,420.38 and 252,073.21 is: 347,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,063.92 : 611,420.38 = 252,073.21 : x
  2. Step 2: Convert to fraction form
    443,063.92/611,420.38 = 252,073.21/x
  3. Step 3: Cross multiply
    443,063.92x = 611,420.38 × 252,073.21
  4. Step 4: Simplify right side
    443,063.92x = 154,122,697,846.02
  5. Step 5: Solve for x
    x = 154,122,697,846.02/443,063.92
  6. Step 6: Final answer
    x = 347,856.58

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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.