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Finding the Fourth Proportional to 496,590.08, 685,287.94 and 270,235.60

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Solution

The fourth proportional to 496,590.08, 685,287.94 and 270,235.60 is: 372,921.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,590.08 : 685,287.94 = 270,235.60 : x
  2. Step 2: Convert to fraction form
    496,590.08/685,287.94 = 270,235.60/x
  3. Step 3: Cross multiply
    496,590.08x = 685,287.94 × 270,235.60
  4. Step 4: Simplify right side
    496,590.08x = 185,189,197,638.66
  5. Step 5: Solve for x
    x = 185,189,197,638.66/496,590.08
  6. Step 6: Final answer
    x = 372,921.66

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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.