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Finding the Fourth Proportional to 373,089.24, 514,863.54 and 203,323.50

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Solution

The fourth proportional to 373,089.24, 514,863.54 and 203,323.50 is: 280,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,089.24 : 514,863.54 = 203,323.50 : x
  2. Step 2: Convert to fraction form
    373,089.24/514,863.54 = 203,323.50/x
  3. Step 3: Cross multiply
    373,089.24x = 514,863.54 × 203,323.50
  4. Step 4: Simplify right side
    373,089.24x = 104,683,856,975.19
  5. Step 5: Solve for x
    x = 104,683,856,975.19/373,089.24
  6. Step 6: Final answer
    x = 280,586.64

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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.