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Finding the Fourth Proportional to 637,898.90, 956,516.11 and 300,849.05

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Solution

The fourth proportional to 637,898.90, 956,516.11 and 300,849.05 is: 451,116.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,898.90 : 956,516.11 = 300,849.05 : x
  2. Step 2: Convert to fraction form
    637,898.90/956,516.11 = 300,849.05/x
  3. Step 3: Cross multiply
    637,898.90x = 956,516.11 × 300,849.05
  4. Step 4: Simplify right side
    637,898.90x = 287,766,963,003.20
  5. Step 5: Solve for x
    x = 287,766,963,003.20/637,898.90
  6. Step 6: Final answer
    x = 451,116.88

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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.