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Finding the Fourth Proportional to 551,125.89, 826,728.93 and 230,956.38

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Solution

The fourth proportional to 551,125.89, 826,728.93 and 230,956.38 is: 346,451.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,125.89 : 826,728.93 = 230,956.38 : x
  2. Step 2: Convert to fraction form
    551,125.89/826,728.93 = 230,956.38/x
  3. Step 3: Cross multiply
    551,125.89x = 826,728.93 × 230,956.38
  4. Step 4: Simplify right side
    551,125.89x = 190,938,320,914.07
  5. Step 5: Solve for x
    x = 190,938,320,914.07/551,125.89
  6. Step 6: Final answer
    x = 346,451.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.