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Finding the Fourth Proportional to 367,786.92, 507,772.40 and 291,613.71

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Solution

The fourth proportional to 367,786.92, 507,772.40 and 291,613.71 is: 402,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,786.92 : 507,772.40 = 291,613.71 : x
  2. Step 2: Convert to fraction form
    367,786.92/507,772.40 = 291,613.71/x
  3. Step 3: Cross multiply
    367,786.92x = 507,772.40 × 291,613.71
  4. Step 4: Simplify right side
    367,786.92x = 148,073,393,845.68
  5. Step 5: Solve for x
    x = 148,073,393,845.68/367,786.92
  6. Step 6: Final answer
    x = 402,606.47

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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.