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Finding the Fourth Proportional to 576,321.20, 862,926.60 and 576,321.20

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Solution

The fourth proportional to 576,321.20, 862,926.60 and 576,321.20 is: 862,926.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,321.20 : 862,926.60 = 576,321.20 : x
  2. Step 2: Convert to fraction form
    576,321.20/862,926.60 = 576,321.20/x
  3. Step 3: Cross multiply
    576,321.20x = 862,926.60 × 576,321.20
  4. Step 4: Simplify right side
    576,321.20x = 497,322,893,623.92
  5. Step 5: Solve for x
    x = 497,322,893,623.92/576,321.20
  6. Step 6: Final answer
    x = 862,926.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.