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Finding the Fourth Proportional to 443,313.74, 611,773.64 and 252,327.12

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Solution

The fourth proportional to 443,313.74, 611,773.64 and 252,327.12 is: 348,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,313.74 : 611,773.64 = 252,327.12 : x
  2. Step 2: Convert to fraction form
    443,313.74/611,773.64 = 252,327.12/x
  3. Step 3: Cross multiply
    443,313.74x = 611,773.64 × 252,327.12
  4. Step 4: Simplify right side
    443,313.74x = 154,367,080,673.12
  5. Step 5: Solve for x
    x = 154,367,080,673.12/443,313.74
  6. Step 6: Final answer
    x = 348,211.81

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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.