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Finding the Fourth Proportional to 425,095.20, 636,942.94 and 297,024.48

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Solution

The fourth proportional to 425,095.20, 636,942.94 and 297,024.48 is: 445,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,095.20 : 636,942.94 = 297,024.48 : x
  2. Step 2: Convert to fraction form
    425,095.20/636,942.94 = 297,024.48/x
  3. Step 3: Cross multiply
    425,095.20x = 636,942.94 × 297,024.48
  4. Step 4: Simplify right side
    425,095.20x = 189,187,641,615.90
  5. Step 5: Solve for x
    x = 189,187,641,615.90/425,095.20
  6. Step 6: Final answer
    x = 445,047.71

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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.