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Finding the Fourth Proportional to 373,548.06, 515,495.60 and 203,782.16

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Solution

The fourth proportional to 373,548.06, 515,495.60 and 203,782.16 is: 281,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,548.06 : 515,495.60 = 203,782.16 : x
  2. Step 2: Convert to fraction form
    373,548.06/515,495.60 = 203,782.16/x
  3. Step 3: Cross multiply
    373,548.06x = 515,495.60 × 203,782.16
  4. Step 4: Simplify right side
    373,548.06x = 105,048,806,838.50
  5. Step 5: Solve for x
    x = 105,048,806,838.50/373,548.06
  6. Step 6: Final answer
    x = 281,218.99

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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.