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Finding the Fourth Proportional to 443,994.10, 665,444.40 and 301,839.10

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Solution

The fourth proportional to 443,994.10, 665,444.40 and 301,839.10 is: 452,386.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,994.10 : 665,444.40 = 301,839.10 : x
  2. Step 2: Convert to fraction form
    443,994.10/665,444.40 = 301,839.10/x
  3. Step 3: Cross multiply
    443,994.10x = 665,444.40 × 301,839.10
  4. Step 4: Simplify right side
    443,994.10x = 200,857,138,796.04
  5. Step 5: Solve for x
    x = 200,857,138,796.04/443,994.10
  6. Step 6: Final answer
    x = 452,386.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.