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Finding the Fourth Proportional to 367,906.74, 507,395.16 and 238,717.95

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Solution

The fourth proportional to 367,906.74, 507,395.16 and 238,717.95 is: 329,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,906.74 : 507,395.16 = 238,717.95 : x
  2. Step 2: Convert to fraction form
    367,906.74/507,395.16 = 238,717.95/x
  3. Step 3: Cross multiply
    367,906.74x = 507,395.16 × 238,717.95
  4. Step 4: Simplify right side
    367,906.74x = 121,124,332,435.12
  5. Step 5: Solve for x
    x = 121,124,332,435.12/367,906.74
  6. Step 6: Final answer
    x = 329,225.64

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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.