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Finding the Fourth Proportional to 562,832.52, 776,701.17 and 308,183.73

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Solution

The fourth proportional to 562,832.52, 776,701.17 and 308,183.73 is: 425,289.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,832.52 : 776,701.17 = 308,183.73 : x
  2. Step 2: Convert to fraction form
    562,832.52/776,701.17 = 308,183.73/x
  3. Step 3: Cross multiply
    562,832.52x = 776,701.17 × 308,183.73
  4. Step 4: Simplify right side
    562,832.52x = 239,366,663,665.96
  5. Step 5: Solve for x
    x = 239,366,663,665.96/562,832.52
  6. Step 6: Final answer
    x = 425,289.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.