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Finding the Fourth Proportional to 375,785.56, 518,605.32 and 222,914.26

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Solution

The fourth proportional to 375,785.56, 518,605.32 and 222,914.26 is: 307,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,785.56 : 518,605.32 = 222,914.26 : x
  2. Step 2: Convert to fraction form
    375,785.56/518,605.32 = 222,914.26/x
  3. Step 3: Cross multiply
    375,785.56x = 518,605.32 × 222,914.26
  4. Step 4: Simplify right side
    375,785.56x = 115,604,521,139.86
  5. Step 5: Solve for x
    x = 115,604,521,139.86/375,785.56
  6. Step 6: Final answer
    x = 307,634.28

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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.