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Finding the Fourth Proportional to 750,859.32, 1,036,189.50 and 411,327.56

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Solution

The fourth proportional to 750,859.32, 1,036,189.50 and 411,327.56 is: 567,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,859.32 : 1,036,189.50 = 411,327.56 : x
  2. Step 2: Convert to fraction form
    750,859.32/1,036,189.50 = 411,327.56/x
  3. Step 3: Cross multiply
    750,859.32x = 1,036,189.50 × 411,327.56
  4. Step 4: Simplify right side
    750,859.32x = 426,213,298,732.62
  5. Step 5: Solve for x
    x = 426,213,298,732.62/750,859.32
  6. Step 6: Final answer
    x = 567,634.03

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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.