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Finding the Fourth Proportional to 374,601.60, 561,902.40 and 149,996.70

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Solution

The fourth proportional to 374,601.60, 561,902.40 and 149,996.70 is: 224,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,601.60 : 561,902.40 = 149,996.70 : x
  2. Step 2: Convert to fraction form
    374,601.60/561,902.40 = 149,996.70/x
  3. Step 3: Cross multiply
    374,601.60x = 561,902.40 × 149,996.70
  4. Step 4: Simplify right side
    374,601.60x = 84,283,505,722.08
  5. Step 5: Solve for x
    x = 84,283,505,722.08/374,601.60
  6. Step 6: Final answer
    x = 224,995.05

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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.