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Finding the Fourth Proportional to 443,103.02, 611,479.05 and 241,899.02

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Solution

The fourth proportional to 443,103.02, 611,479.05 and 241,899.02 is: 333,818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,103.02 : 611,479.05 = 241,899.02 : x
  2. Step 2: Convert to fraction form
    443,103.02/611,479.05 = 241,899.02/x
  3. Step 3: Cross multiply
    443,103.02x = 611,479.05 × 241,899.02
  4. Step 4: Simplify right side
    443,103.02x = 147,916,182,945.53
  5. Step 5: Solve for x
    x = 147,916,182,945.53/443,103.02
  6. Step 6: Final answer
    x = 333,818.95

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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.