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Finding the Fourth Proportional to 372,296.60, 513,590.47 and 236,093.31

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Solution

The fourth proportional to 372,296.60, 513,590.47 and 236,093.31 is: 325,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,296.60 : 513,590.47 = 236,093.31 : x
  2. Step 2: Convert to fraction form
    372,296.60/513,590.47 = 236,093.31/x
  3. Step 3: Cross multiply
    372,296.60x = 513,590.47 × 236,093.31
  4. Step 4: Simplify right side
    372,296.60x = 121,255,275,096.12
  5. Step 5: Solve for x
    x = 121,255,275,096.12/372,296.60
  6. Step 6: Final answer
    x = 325,695.36

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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.