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Finding the Fourth Proportional to 373,749.60, 561,142.80 and 233,781.60

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Solution

The fourth proportional to 373,749.60, 561,142.80 and 233,781.60 is: 350,996.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,749.60 : 561,142.80 = 233,781.60 : x
  2. Step 2: Convert to fraction form
    373,749.60/561,142.80 = 233,781.60/x
  3. Step 3: Cross multiply
    373,749.60x = 561,142.80 × 233,781.60
  4. Step 4: Simplify right side
    373,749.60x = 131,184,861,612.48
  5. Step 5: Solve for x
    x = 131,184,861,612.48/373,749.60
  6. Step 6: Final answer
    x = 350,996.66

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1.5x scale

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.