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Finding the Fourth Proportional to 362,723.70, 544,085.55 and 323,325.30

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Solution

The fourth proportional to 362,723.70, 544,085.55 and 323,325.30 is: 484,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,723.70 : 544,085.55 = 323,325.30 : x
  2. Step 2: Convert to fraction form
    362,723.70/544,085.55 = 323,325.30/x
  3. Step 3: Cross multiply
    362,723.70x = 544,085.55 × 323,325.30
  4. Step 4: Simplify right side
    362,723.70x = 175,916,623,679.42
  5. Step 5: Solve for x
    x = 175,916,623,679.42/362,723.70
  6. Step 6: Final answer
    x = 484,987.95

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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.