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Finding the Fourth Proportional to 375,549.78, 563,413.30 and 122,829.32

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Solution

The fourth proportional to 375,549.78, 563,413.30 and 122,829.32 is: 184,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,549.78 : 563,413.30 = 122,829.32 : x
  2. Step 2: Convert to fraction form
    375,549.78/563,413.30 = 122,829.32/x
  3. Step 3: Cross multiply
    375,549.78x = 563,413.30 × 122,829.32
  4. Step 4: Simplify right side
    375,549.78x = 69,203,672,517.96
  5. Step 5: Solve for x
    x = 69,203,672,517.96/375,549.78
  6. Step 6: Final answer
    x = 184,272.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.