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Finding the Fourth Proportional to 664,345.33, 996,273.50 and 522,467.81

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Solution

The fourth proportional to 664,345.33, 996,273.50 and 522,467.81 is: 783,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,345.33 : 996,273.50 = 522,467.81 : x
  2. Step 2: Convert to fraction form
    664,345.33/996,273.50 = 522,467.81/x
  3. Step 3: Cross multiply
    664,345.33x = 996,273.50 × 522,467.81
  4. Step 4: Simplify right side
    664,345.33x = 520,520,829,916.80
  5. Step 5: Solve for x
    x = 520,520,829,916.80/664,345.33
  6. Step 6: Final answer
    x = 783,509.43

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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.