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Finding the Fourth Proportional to 496,241.12, 684,813.48 and 269,886.08

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Solution

The fourth proportional to 496,241.12, 684,813.48 and 269,886.08 is: 372,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,241.12 : 684,813.48 = 269,886.08 : x
  2. Step 2: Convert to fraction form
    496,241.12/684,813.48 = 269,886.08/x
  3. Step 3: Cross multiply
    496,241.12x = 684,813.48 × 269,886.08
  4. Step 4: Simplify right side
    496,241.12x = 184,821,625,648.36
  5. Step 5: Solve for x
    x = 184,821,625,648.36/496,241.12
  6. Step 6: Final answer
    x = 372,443.19

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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.