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Finding the Fourth Proportional to 373,059.16, 514,821.66 and 203,293.24

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Solution

The fourth proportional to 373,059.16, 514,821.66 and 203,293.24 is: 280,544.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,059.16 : 514,821.66 = 203,293.24 : x
  2. Step 2: Convert to fraction form
    373,059.16/514,821.66 = 203,293.24/x
  3. Step 3: Cross multiply
    373,059.16x = 514,821.66 × 203,293.24
  4. Step 4: Simplify right side
    373,059.16x = 104,659,763,283.58
  5. Step 5: Solve for x
    x = 104,659,763,283.58/373,059.16
  6. Step 6: Final answer
    x = 280,544.68

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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.