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Finding the Fourth Proportional to 443,055.92, 611,409.35 and 252,065.21

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Solution

The fourth proportional to 443,055.92, 611,409.35 and 252,065.21 is: 347,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,055.92 : 611,409.35 = 252,065.21 : x
  2. Step 2: Convert to fraction form
    443,055.92/611,409.35 = 252,065.21/x
  3. Step 3: Cross multiply
    443,055.92x = 611,409.35 × 252,065.21
  4. Step 4: Simplify right side
    443,055.92x = 154,115,024,943.39
  5. Step 5: Solve for x
    x = 154,115,024,943.39/443,055.92
  6. Step 6: Final answer
    x = 347,845.54

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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.