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Finding the Fourth Proportional to 934,992.83, 1,405,021.71 and 508,843.73

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Solution

The fourth proportional to 934,992.83, 1,405,021.71 and 508,843.73 is: 764,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,992.83 : 1,405,021.71 = 508,843.73 : x
  2. Step 2: Convert to fraction form
    934,992.83/1,405,021.71 = 508,843.73/x
  3. Step 3: Cross multiply
    934,992.83x = 1,405,021.71 × 508,843.73
  4. Step 4: Simplify right side
    934,992.83x = 714,936,491,159.93
  5. Step 5: Solve for x
    x = 714,936,491,159.93/934,992.83
  6. Step 6: Final answer
    x = 764,643.82

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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.