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Finding the Fourth Proportional to 577,341.59, 796,699.26 and 319,203.62

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Solution

The fourth proportional to 577,341.59, 796,699.26 and 319,203.62 is: 440,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,341.59 : 796,699.26 = 319,203.62 : x
  2. Step 2: Convert to fraction form
    577,341.59/796,699.26 = 319,203.62/x
  3. Step 3: Cross multiply
    577,341.59x = 796,699.26 × 319,203.62
  4. Step 4: Simplify right side
    577,341.59x = 254,309,283,859.83
  5. Step 5: Solve for x
    x = 254,309,283,859.83/577,341.59
  6. Step 6: Final answer
    x = 440,483.22

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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.