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Finding the Fourth Proportional to 373,170.87, 514,975.94 and 212,026.13

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Solution

The fourth proportional to 373,170.87, 514,975.94 and 212,026.13 is: 292,596.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,170.87 : 514,975.94 = 212,026.13 : x
  2. Step 2: Convert to fraction form
    373,170.87/514,975.94 = 212,026.13/x
  3. Step 3: Cross multiply
    373,170.87x = 514,975.94 × 212,026.13
  4. Step 4: Simplify right side
    373,170.87x = 109,188,351,966.30
  5. Step 5: Solve for x
    x = 109,188,351,966.30/373,170.87
  6. Step 6: Final answer
    x = 292,596.13

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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.