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Finding the Fourth Proportional to 835,299.12, 1,252,896.84 and 361,654.32

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Solution

The fourth proportional to 835,299.12, 1,252,896.84 and 361,654.32 is: 542,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,299.12 : 1,252,896.84 = 361,654.32 : x
  2. Step 2: Convert to fraction form
    835,299.12/1,252,896.84 = 361,654.32/x
  3. Step 3: Cross multiply
    835,299.12x = 1,252,896.84 × 361,654.32
  4. Step 4: Simplify right side
    835,299.12x = 453,115,554,700.35
  5. Step 5: Solve for x
    x = 453,115,554,700.35/835,299.12
  6. Step 6: Final answer
    x = 542,459.04

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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.