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Finding the Fourth Proportional to 445,006.38, 667,700.72 and 295,298.94

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Solution

The fourth proportional to 445,006.38, 667,700.72 and 295,298.94 is: 443,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,006.38 : 667,700.72 = 295,298.94 : x
  2. Step 2: Convert to fraction form
    445,006.38/667,700.72 = 295,298.94/x
  3. Step 3: Cross multiply
    445,006.38x = 667,700.72 × 295,298.94
  4. Step 4: Simplify right side
    445,006.38x = 197,171,314,853.24
  5. Step 5: Solve for x
    x = 197,171,314,853.24/445,006.38
  6. Step 6: Final answer
    x = 443,075.25

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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.