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Finding the Fourth Proportional to 577,454.69, 796,892.59 and 319,349.13

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Solution

The fourth proportional to 577,454.69, 796,892.59 and 319,349.13 is: 440,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,454.69 : 796,892.59 = 319,349.13 : x
  2. Step 2: Convert to fraction form
    577,454.69/796,892.59 = 319,349.13/x
  3. Step 3: Cross multiply
    577,454.69x = 796,892.59 × 319,349.13
  4. Step 4: Simplify right side
    577,454.69x = 254,486,953,723.20
  5. Step 5: Solve for x
    x = 254,486,953,723.20/577,454.69
  6. Step 6: Final answer
    x = 440,704.63

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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.