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Finding the Fourth Proportional to 362,276.81, 499,943.81 and 226,389.72

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Solution

The fourth proportional to 362,276.81, 499,943.81 and 226,389.72 is: 312,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,276.81 : 499,943.81 = 226,389.72 : x
  2. Step 2: Convert to fraction form
    362,276.81/499,943.81 = 226,389.72/x
  3. Step 3: Cross multiply
    362,276.81x = 499,943.81 × 226,389.72
  4. Step 4: Simplify right side
    362,276.81x = 113,182,139,161.63
  5. Step 5: Solve for x
    x = 113,182,139,161.63/362,276.81
  6. Step 6: Final answer
    x = 312,418.95

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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.