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Finding the Fourth Proportional to 374,792.56, 561,287.88 and 214,382.32

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Solution

The fourth proportional to 374,792.56, 561,287.88 and 214,382.32 is: 321,058.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,792.56 : 561,287.88 = 214,382.32 : x
  2. Step 2: Convert to fraction form
    374,792.56/561,287.88 = 214,382.32/x
  3. Step 3: Cross multiply
    374,792.56x = 561,287.88 × 214,382.32
  4. Step 4: Simplify right side
    374,792.56x = 120,330,197,902.28
  5. Step 5: Solve for x
    x = 120,330,197,902.28/374,792.56
  6. Step 6: Final answer
    x = 321,058.13

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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.