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Finding the Fourth Proportional to 577,688.58, 797,149.17 and 319,524.48

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Solution

The fourth proportional to 577,688.58, 797,149.17 and 319,524.48 is: 440,910.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,688.58 : 797,149.17 = 319,524.48 : x
  2. Step 2: Convert to fraction form
    577,688.58/797,149.17 = 319,524.48/x
  3. Step 3: Cross multiply
    577,688.58x = 797,149.17 × 319,524.48
  4. Step 4: Simplify right side
    577,688.58x = 254,708,674,026.68
  5. Step 5: Solve for x
    x = 254,708,674,026.68/577,688.58
  6. Step 6: Final answer
    x = 440,910.00

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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.