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Finding the Fourth Proportional to 362,993.40, 544,490.10 and 349,215.30

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Solution

The fourth proportional to 362,993.40, 544,490.10 and 349,215.30 is: 523,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,993.40 : 544,490.10 = 349,215.30 : x
  2. Step 2: Convert to fraction form
    362,993.40/544,490.10 = 349,215.30/x
  3. Step 3: Cross multiply
    362,993.40x = 544,490.10 × 349,215.30
  4. Step 4: Simplify right side
    362,993.40x = 190,144,273,618.53
  5. Step 5: Solve for x
    x = 190,144,273,618.53/362,993.40
  6. Step 6: Final answer
    x = 523,822.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.