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Finding the Fourth Proportional to 373,103.93, 514,881.47 and 203,336.57

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Solution

The fourth proportional to 373,103.93, 514,881.47 and 203,336.57 is: 280,603.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,103.93 : 514,881.47 = 203,336.57 : x
  2. Step 2: Convert to fraction form
    373,103.93/514,881.47 = 203,336.57/x
  3. Step 3: Cross multiply
    373,103.93x = 514,881.47 × 203,336.57
  4. Step 4: Simplify right side
    373,103.93x = 104,694,228,475.27
  5. Step 5: Solve for x
    x = 104,694,228,475.27/373,103.93
  6. Step 6: Final answer
    x = 280,603.40

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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.