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Finding the Fourth Proportional to 383,602.13, 529,370.97 and 213,836.25

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Solution

The fourth proportional to 383,602.13, 529,370.97 and 213,836.25 is: 295,094.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,602.13 : 529,370.97 = 213,836.25 : x
  2. Step 2: Convert to fraction form
    383,602.13/529,370.97 = 213,836.25/x
  3. Step 3: Cross multiply
    383,602.13x = 529,370.97 × 213,836.25
  4. Step 4: Simplify right side
    383,602.13x = 113,198,703,083.66
  5. Step 5: Solve for x
    x = 113,198,703,083.66/383,602.13
  6. Step 6: Final answer
    x = 295,094.05

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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.