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Finding the Fourth Proportional to 673,902, 929,226.60 and 551,010.96

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Solution

The fourth proportional to 673,902, 929,226.60 and 551,010.96 is: 759,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,902 : 929,226.60 = 551,010.96 : x
  2. Step 2: Convert to fraction form
    673,902/929,226.60 = 551,010.96/x
  3. Step 3: Cross multiply
    673,902x = 929,226.60 × 551,010.96
  4. Step 4: Simplify right side
    673,902x = 512,014,040,923.54
  5. Step 5: Solve for x
    x = 512,014,040,923.54/673,902
  6. Step 6: Final answer
    x = 759,775.22

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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.