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Finding the Fourth Proportional to 451,997.88, 623,711.64 and 270,705.16

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Solution

The fourth proportional to 451,997.88, 623,711.64 and 270,705.16 is: 373,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,997.88 : 623,711.64 = 270,705.16 : x
  2. Step 2: Convert to fraction form
    451,997.88/623,711.64 = 270,705.16/x
  3. Step 3: Cross multiply
    451,997.88x = 623,711.64 × 270,705.16
  4. Step 4: Simplify right side
    451,997.88x = 168,841,959,300.06
  5. Step 5: Solve for x
    x = 168,841,959,300.06/451,997.88
  6. Step 6: Final answer
    x = 373,545.91

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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.