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Finding the Fourth Proportional to 578,062.43, 797,726.85 and 323,413.82

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Solution

The fourth proportional to 578,062.43, 797,726.85 and 323,413.82 is: 446,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,062.43 : 797,726.85 = 323,413.82 : x
  2. Step 2: Convert to fraction form
    578,062.43/797,726.85 = 323,413.82/x
  3. Step 3: Cross multiply
    578,062.43x = 797,726.85 × 323,413.82
  4. Step 4: Simplify right side
    578,062.43x = 257,995,887,875.07
  5. Step 5: Solve for x
    x = 257,995,887,875.07/578,062.43
  6. Step 6: Final answer
    x = 446,311.46

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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.