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Finding the Fourth Proportional to 378,691.61, 567,605.48 and 236,602.22

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Solution

The fourth proportional to 378,691.61, 567,605.48 and 236,602.22 is: 354,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,691.61 : 567,605.48 = 236,602.22 : x
  2. Step 2: Convert to fraction form
    378,691.61/567,605.48 = 236,602.22/x
  3. Step 3: Cross multiply
    378,691.61x = 567,605.48 × 236,602.22
  4. Step 4: Simplify right side
    378,691.61x = 134,296,718,662.69
  5. Step 5: Solve for x
    x = 134,296,718,662.69/378,691.61
  6. Step 6: Final answer
    x = 354,633.46

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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.