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Finding the Fourth Proportional to 443,793.88, 612,435.63 and 239,844.13

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Solution

The fourth proportional to 443,793.88, 612,435.63 and 239,844.13 is: 330,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,793.88 : 612,435.63 = 239,844.13 : x
  2. Step 2: Convert to fraction form
    443,793.88/612,435.63 = 239,844.13/x
  3. Step 3: Cross multiply
    443,793.88x = 612,435.63 × 239,844.13
  4. Step 4: Simplify right side
    443,793.88x = 146,889,090,858.35
  5. Step 5: Solve for x
    x = 146,889,090,858.35/443,793.88
  6. Step 6: Final answer
    x = 330,984.94

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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.