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Finding the Fourth Proportional to 884,935, 1,327,289.52 and 285,833.92

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Solution

The fourth proportional to 884,935, 1,327,289.52 and 285,833.92 is: 428,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,935 : 1,327,289.52 = 285,833.92 : x
  2. Step 2: Convert to fraction form
    884,935/1,327,289.52 = 285,833.92/x
  3. Step 3: Cross multiply
    884,935x = 1,327,289.52 × 285,833.92
  4. Step 4: Simplify right side
    884,935x = 379,384,366,476.52
  5. Step 5: Solve for x
    x = 379,384,366,476.52/884,935
  6. Step 6: Final answer
    x = 428,714.39

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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.