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Finding the Fourth Proportional to 591,200.76, 815,860.28 and 322,928.76

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Solution

The fourth proportional to 591,200.76, 815,860.28 and 322,928.76 is: 445,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,200.76 : 815,860.28 = 322,928.76 : x
  2. Step 2: Convert to fraction form
    591,200.76/815,860.28 = 322,928.76/x
  3. Step 3: Cross multiply
    591,200.76x = 815,860.28 × 322,928.76
  4. Step 4: Simplify right side
    591,200.76x = 263,464,748,553.65
  5. Step 5: Solve for x
    x = 263,464,748,553.65/591,200.76
  6. Step 6: Final answer
    x = 445,643.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.