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Finding the Fourth Proportional to 496,147.40, 684,600.36 and 292,238.92

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Solution

The fourth proportional to 496,147.40, 684,600.36 and 292,238.92 is: 403,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,147.40 : 684,600.36 = 292,238.92 : x
  2. Step 2: Convert to fraction form
    496,147.40/684,600.36 = 292,238.92/x
  3. Step 3: Cross multiply
    496,147.40x = 684,600.36 × 292,238.92
  4. Step 4: Simplify right side
    496,147.40x = 200,066,869,838.01
  5. Step 5: Solve for x
    x = 200,066,869,838.01/496,147.40
  6. Step 6: Final answer
    x = 403,240.79

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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.