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Finding the Fourth Proportional to 443,341, 611,814.48 and 252,366.68

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Solution

The fourth proportional to 443,341, 611,814.48 and 252,366.68 is: 348,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,341 : 611,814.48 = 252,366.68 : x
  2. Step 2: Convert to fraction form
    443,341/611,814.48 = 252,366.68/x
  3. Step 3: Cross multiply
    443,341x = 611,814.48 × 252,366.68
  4. Step 4: Simplify right side
    443,341x = 154,401,589,093.53
  5. Step 5: Solve for x
    x = 154,401,589,093.53/443,341
  6. Step 6: Final answer
    x = 348,268.24

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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.