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Finding the Fourth Proportional to 358,348.46, 494,568.18 and 231,393.11

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Solution

The fourth proportional to 358,348.46, 494,568.18 and 231,393.11 is: 319,353.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,348.46 : 494,568.18 = 231,393.11 : x
  2. Step 2: Convert to fraction form
    358,348.46/494,568.18 = 231,393.11/x
  3. Step 3: Cross multiply
    358,348.46x = 494,568.18 × 231,393.11
  4. Step 4: Simplify right side
    358,348.46x = 114,439,666,804.40
  5. Step 5: Solve for x
    x = 114,439,666,804.40/358,348.46
  6. Step 6: Final answer
    x = 319,353.04

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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.