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Finding the Fourth Proportional to 577,715.32, 796,978.49 and 373,832.13

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Solution

The fourth proportional to 577,715.32, 796,978.49 and 373,832.13 is: 515,714.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,715.32 : 796,978.49 = 373,832.13 : x
  2. Step 2: Convert to fraction form
    577,715.32/796,978.49 = 373,832.13/x
  3. Step 3: Cross multiply
    577,715.32x = 796,978.49 × 373,832.13
  4. Step 4: Simplify right side
    577,715.32x = 297,936,166,480.88
  5. Step 5: Solve for x
    x = 297,936,166,480.88/577,715.32
  6. Step 6: Final answer
    x = 515,714.50

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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.