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Finding the Fourth Proportional to 587,232.17, 810,342.02 and 345,468.03

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Solution

The fourth proportional to 587,232.17, 810,342.02 and 345,468.03 is: 476,723.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,232.17 : 810,342.02 = 345,468.03 : x
  2. Step 2: Convert to fraction form
    587,232.17/810,342.02 = 345,468.03/x
  3. Step 3: Cross multiply
    587,232.17x = 810,342.02 × 345,468.03
  4. Step 4: Simplify right side
    587,232.17x = 279,947,261,275.62
  5. Step 5: Solve for x
    x = 279,947,261,275.62/587,232.17
  6. Step 6: Final answer
    x = 476,723.31

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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.