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Finding the Fourth Proportional to 368,534.72, 552,802.08 and 203,372.48

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Solution

The fourth proportional to 368,534.72, 552,802.08 and 203,372.48 is: 305,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,534.72 : 552,802.08 = 203,372.48 : x
  2. Step 2: Convert to fraction form
    368,534.72/552,802.08 = 203,372.48/x
  3. Step 3: Cross multiply
    368,534.72x = 552,802.08 × 203,372.48
  4. Step 4: Simplify right side
    368,534.72x = 112,424,729,958.76
  5. Step 5: Solve for x
    x = 112,424,729,958.76/368,534.72
  6. Step 6: Final answer
    x = 305,058.72

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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.