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Finding the Fourth Proportional to 577,704, 797,216.60 and 319,574.22

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Solution

The fourth proportional to 577,704, 797,216.60 and 319,574.22 is: 441,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,704 : 797,216.60 = 319,574.22 : x
  2. Step 2: Convert to fraction form
    577,704/797,216.60 = 319,574.22/x
  3. Step 3: Cross multiply
    577,704x = 797,216.60 × 319,574.22
  4. Step 4: Simplify right side
    577,704x = 254,769,873,116.05
  5. Step 5: Solve for x
    x = 254,769,873,116.05/577,704
  6. Step 6: Final answer
    x = 441,004.17

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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.