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Finding the Fourth Proportional to 374,792.96, 561,288.60 and 214,382.60

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Solution

The fourth proportional to 374,792.96, 561,288.60 and 214,382.60 is: 321,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,792.96 : 561,288.60 = 214,382.60 : x
  2. Step 2: Convert to fraction form
    374,792.96/561,288.60 = 214,382.60/x
  3. Step 3: Cross multiply
    374,792.96x = 561,288.60 × 214,382.60
  4. Step 4: Simplify right side
    374,792.96x = 120,330,509,418.36
  5. Step 5: Solve for x
    x = 120,330,509,418.36/374,792.96
  6. Step 6: Final answer
    x = 321,058.62

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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.