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Finding the Fourth Proportional to 577,704.01, 797,216.61 and 319,574.23

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Solution

The fourth proportional to 577,704.01, 797,216.61 and 319,574.23 is: 441,004.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,704.01 : 797,216.61 = 319,574.23 : x
  2. Step 2: Convert to fraction form
    577,704.01/797,216.61 = 319,574.23/x
  3. Step 3: Cross multiply
    577,704.01x = 797,216.61 × 319,574.23
  4. Step 4: Simplify right side
    577,704.01x = 254,769,880,297.88
  5. Step 5: Solve for x
    x = 254,769,880,297.88/577,704.01
  6. Step 6: Final answer
    x = 441,004.18

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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.