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Finding the Fourth Proportional to 562,874.83, 776,767.59 and 308,226.02

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Solution

The fourth proportional to 562,874.83, 776,767.59 and 308,226.02 is: 425,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,874.83 : 776,767.59 = 308,226.02 : x
  2. Step 2: Convert to fraction form
    562,874.83/776,767.59 = 308,226.02/x
  3. Step 3: Cross multiply
    562,874.83x = 776,767.59 × 308,226.02
  4. Step 4: Simplify right side
    562,874.83x = 239,419,978,846.85
  5. Step 5: Solve for x
    x = 239,419,978,846.85/562,874.83
  6. Step 6: Final answer
    x = 425,352.08

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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.