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Finding the Fourth Proportional to 443,709.18, 666,154.98 and 300,097.44

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Solution

The fourth proportional to 443,709.18, 666,154.98 and 300,097.44 is: 450,546.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,709.18 : 666,154.98 = 300,097.44 : x
  2. Step 2: Convert to fraction form
    443,709.18/666,154.98 = 300,097.44/x
  3. Step 3: Cross multiply
    443,709.18x = 666,154.98 × 300,097.44
  4. Step 4: Simplify right side
    443,709.18x = 199,911,404,141.25
  5. Step 5: Solve for x
    x = 199,911,404,141.25/443,709.18
  6. Step 6: Final answer
    x = 450,546.02

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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.