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Finding the Fourth Proportional to 374,245.26, 561,414.57 and 146,511.45

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Solution

The fourth proportional to 374,245.26, 561,414.57 and 146,511.45 is: 219,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,245.26 : 561,414.57 = 146,511.45 : x
  2. Step 2: Convert to fraction form
    374,245.26/561,414.57 = 146,511.45/x
  3. Step 3: Cross multiply
    374,245.26x = 561,414.57 × 146,511.45
  4. Step 4: Simplify right side
    374,245.26x = 82,253,662,701.83
  5. Step 5: Solve for x
    x = 82,253,662,701.83/374,245.26
  6. Step 6: Final answer
    x = 219,785.45

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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.