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Finding the Fourth Proportional to 577,342.59, 796,700.64 and 319,204.62

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Solution

The fourth proportional to 577,342.59, 796,700.64 and 319,204.62 is: 440,484.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,342.59 : 796,700.64 = 319,204.62 : x
  2. Step 2: Convert to fraction form
    577,342.59/796,700.64 = 319,204.62/x
  3. Step 3: Cross multiply
    577,342.59x = 796,700.64 × 319,204.62
  4. Step 4: Simplify right side
    577,342.59x = 254,310,525,044.96
  5. Step 5: Solve for x
    x = 254,310,525,044.96/577,342.59
  6. Step 6: Final answer
    x = 440,484.61

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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.