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Finding the Fourth Proportional to 522,775.38, 782,900.03 and 297,453.22

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Solution

The fourth proportional to 522,775.38, 782,900.03 and 297,453.22 is: 445,461.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,775.38 : 782,900.03 = 297,453.22 : x
  2. Step 2: Convert to fraction form
    522,775.38/782,900.03 = 297,453.22/x
  3. Step 3: Cross multiply
    522,775.38x = 782,900.03 × 297,453.22
  4. Step 4: Simplify right side
    522,775.38x = 232,876,134,861.60
  5. Step 5: Solve for x
    x = 232,876,134,861.60/522,775.38
  6. Step 6: Final answer
    x = 445,461.17

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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.