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Finding the Fourth Proportional to 503,601.37, 754,670.09 and 323,120.57

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Solution

The fourth proportional to 503,601.37, 754,670.09 and 323,120.57 is: 484,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,601.37 : 754,670.09 = 323,120.57 : x
  2. Step 2: Convert to fraction form
    503,601.37/754,670.09 = 323,120.57/x
  3. Step 3: Cross multiply
    503,601.37x = 754,670.09 × 323,120.57
  4. Step 4: Simplify right side
    503,601.37x = 243,849,426,677.20
  5. Step 5: Solve for x
    x = 243,849,426,677.20/503,601.37
  6. Step 6: Final answer
    x = 484,211.21

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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.