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Finding the Fourth Proportional to 374,268.60, 561,921.30 and 295,471.80

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Solution

The fourth proportional to 374,268.60, 561,921.30 and 295,471.80 is: 443,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,268.60 : 561,921.30 = 295,471.80 : x
  2. Step 2: Convert to fraction form
    374,268.60/561,921.30 = 295,471.80/x
  3. Step 3: Cross multiply
    374,268.60x = 561,921.30 × 295,471.80
  4. Step 4: Simplify right side
    374,268.60x = 166,031,897,969.34
  5. Step 5: Solve for x
    x = 166,031,897,969.34/374,268.60
  6. Step 6: Final answer
    x = 443,616.96

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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.