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Finding the Fourth Proportional to 374,105.60, 561,158.40 and 333,670.40

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Solution

The fourth proportional to 374,105.60, 561,158.40 and 333,670.40 is: 500,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,105.60 : 561,158.40 = 333,670.40 : x
  2. Step 2: Convert to fraction form
    374,105.60/561,158.40 = 333,670.40/x
  3. Step 3: Cross multiply
    374,105.60x = 561,158.40 × 333,670.40
  4. Step 4: Simplify right side
    374,105.60x = 187,241,947,791.36
  5. Step 5: Solve for x
    x = 187,241,947,791.36/374,105.60
  6. Step 6: Final answer
    x = 500,505.60

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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.