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Finding the Fourth Proportional to 374,430.40, 561,694.20 and 184,987.60

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Solution

The fourth proportional to 374,430.40, 561,694.20 and 184,987.60 is: 277,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,430.40 : 561,694.20 = 184,987.60 : x
  2. Step 2: Convert to fraction form
    374,430.40/561,694.20 = 184,987.60/x
  3. Step 3: Cross multiply
    374,430.40x = 561,694.20 × 184,987.60
  4. Step 4: Simplify right side
    374,430.40x = 103,906,461,991.92
  5. Step 5: Solve for x
    x = 103,906,461,991.92/374,430.40
  6. Step 6: Final answer
    x = 277,505.41

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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.