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Finding the Fourth Proportional to 556,115.83, 834,181.94 and 385,168.97

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Solution

The fourth proportional to 556,115.83, 834,181.94 and 385,168.97 is: 577,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,115.83 : 834,181.94 = 385,168.97 : x
  2. Step 2: Convert to fraction form
    556,115.83/834,181.94 = 385,168.97/x
  3. Step 3: Cross multiply
    556,115.83x = 834,181.94 × 385,168.97
  4. Step 4: Simplify right side
    556,115.83x = 321,301,001,670.78
  5. Step 5: Solve for x
    x = 321,301,001,670.78/556,115.83
  6. Step 6: Final answer
    x = 577,759.14

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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.