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Finding the Fourth Proportional to 514,782.62, 772,443.20 and 373,792.54

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Solution

The fourth proportional to 514,782.62, 772,443.20 and 373,792.54 is: 560,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,782.62 : 772,443.20 = 373,792.54 : x
  2. Step 2: Convert to fraction form
    514,782.62/772,443.20 = 373,792.54/x
  3. Step 3: Cross multiply
    514,782.62x = 772,443.20 × 373,792.54
  4. Step 4: Simplify right side
    514,782.62x = 288,733,505,733.73
  5. Step 5: Solve for x
    x = 288,733,505,733.73/514,782.62
  6. Step 6: Final answer
    x = 560,884.33

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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.