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Finding the Fourth Proportional to 496,226, 684,791.88 and 269,876.36

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Solution

The fourth proportional to 496,226, 684,791.88 and 269,876.36 is: 372,429.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,226 : 684,791.88 = 269,876.36 : x
  2. Step 2: Convert to fraction form
    496,226/684,791.88 = 269,876.36/x
  3. Step 3: Cross multiply
    496,226x = 684,791.88 × 269,876.36
  4. Step 4: Simplify right side
    496,226x = 184,809,139,931.96
  5. Step 5: Solve for x
    x = 184,809,139,931.96/496,226
  6. Step 6: Final answer
    x = 372,429.38

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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.