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Finding the Fourth Proportional to 835,027.80, 1,252,468.80 and 274,062.30

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Solution

The fourth proportional to 835,027.80, 1,252,468.80 and 274,062.30 is: 411,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,027.80 : 1,252,468.80 = 274,062.30 : x
  2. Step 2: Convert to fraction form
    835,027.80/1,252,468.80 = 274,062.30/x
  3. Step 3: Cross multiply
    835,027.80x = 1,252,468.80 × 274,062.30
  4. Step 4: Simplify right side
    835,027.80x = 343,254,480,006.24
  5. Step 5: Solve for x
    x = 343,254,480,006.24/835,027.80
  6. Step 6: Final answer
    x = 411,069.52

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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.