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Finding the Fourth Proportional to 577,573.92, 797,035.68 and 322,948.80

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Solution

The fourth proportional to 577,573.92, 797,035.68 and 322,948.80 is: 445,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,573.92 : 797,035.68 = 322,948.80 : x
  2. Step 2: Convert to fraction form
    577,573.92/797,035.68 = 322,948.80/x
  3. Step 3: Cross multiply
    577,573.92x = 797,035.68 × 322,948.80
  4. Step 4: Simplify right side
    577,573.92x = 257,401,716,413.18
  5. Step 5: Solve for x
    x = 257,401,716,413.18/577,573.92
  6. Step 6: Final answer
    x = 445,660.21

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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.