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Finding the Fourth Proportional to 374,741.07, 516,997.42 and 238,750.67

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Solution

The fourth proportional to 374,741.07, 516,997.42 and 238,750.67 is: 329,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,741.07 : 516,997.42 = 238,750.67 : x
  2. Step 2: Convert to fraction form
    374,741.07/516,997.42 = 238,750.67/x
  3. Step 3: Cross multiply
    374,741.07x = 516,997.42 × 238,750.67
  4. Step 4: Simplify right side
    374,741.07x = 123,433,477,231.41
  5. Step 5: Solve for x
    x = 123,433,477,231.41/374,741.07
  6. Step 6: Final answer
    x = 329,383.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.