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Finding the Fourth Proportional to 373,158.95, 514,958.13 and 203,393.07

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Solution

The fourth proportional to 373,158.95, 514,958.13 and 203,393.07 is: 280,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,158.95 : 514,958.13 = 203,393.07 : x
  2. Step 2: Convert to fraction form
    373,158.95/514,958.13 = 203,393.07/x
  3. Step 3: Cross multiply
    373,158.95x = 514,958.13 × 203,393.07
  4. Step 4: Simplify right side
    373,158.95x = 104,738,914,982.16
  5. Step 5: Solve for x
    x = 104,738,914,982.16/373,158.95
  6. Step 6: Final answer
    x = 280,681.77

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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.