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Finding the Fourth Proportional to 443,333.25, 611,803.77 and 252,358.92

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Solution

The fourth proportional to 443,333.25, 611,803.77 and 252,358.92 is: 348,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,333.25 : 611,803.77 = 252,358.92 : x
  2. Step 2: Convert to fraction form
    443,333.25/611,803.77 = 252,358.92/x
  3. Step 3: Cross multiply
    443,333.25x = 611,803.77 × 252,358.92
  4. Step 4: Simplify right side
    443,333.25x = 154,394,138,649.13
  5. Step 5: Solve for x
    x = 154,394,138,649.13/443,333.25
  6. Step 6: Final answer
    x = 348,257.52

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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.