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Finding the Fourth Proportional to 340,098.48, 469,323.36 and 189,192.24

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Solution

The fourth proportional to 340,098.48, 469,323.36 and 189,192.24 is: 261,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,098.48 : 469,323.36 = 189,192.24 : x
  2. Step 2: Convert to fraction form
    340,098.48/469,323.36 = 189,192.24/x
  3. Step 3: Cross multiply
    340,098.48x = 469,323.36 × 189,192.24
  4. Step 4: Simplify right side
    340,098.48x = 88,792,337,762.73
  5. Step 5: Solve for x
    x = 88,792,337,762.73/340,098.48
  6. Step 6: Final answer
    x = 261,078.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.