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Finding the Fourth Proportional to 577,703.88, 797,216.44 and 319,574.10

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Solution

The fourth proportional to 577,703.88, 797,216.44 and 319,574.10 is: 441,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,703.88 : 797,216.44 = 319,574.10 : x
  2. Step 2: Convert to fraction form
    577,703.88/797,216.44 = 319,574.10/x
  3. Step 3: Cross multiply
    577,703.88x = 797,216.44 × 319,574.10
  4. Step 4: Simplify right side
    577,703.88x = 254,769,726,318.20
  5. Step 5: Solve for x
    x = 254,769,726,318.20/577,703.88
  6. Step 6: Final answer
    x = 441,004.01

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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.