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Finding the Fourth Proportional to 577,752.96, 797,499.46 and 397,063.02

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Solution

The fourth proportional to 577,752.96, 797,499.46 and 397,063.02 is: 548,084.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,752.96 : 797,499.46 = 397,063.02 : x
  2. Step 2: Convert to fraction form
    577,752.96/797,499.46 = 397,063.02/x
  3. Step 3: Cross multiply
    577,752.96x = 797,499.46 × 397,063.02
  4. Step 4: Simplify right side
    577,752.96x = 316,657,544,035.97
  5. Step 5: Solve for x
    x = 316,657,544,035.97/577,752.96
  6. Step 6: Final answer
    x = 548,084.68

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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.