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Finding the Fourth Proportional to 427,321.54, 589,693.62 and 236,330.92

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Solution

The fourth proportional to 427,321.54, 589,693.62 and 236,330.92 is: 326,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,321.54 : 589,693.62 = 236,330.92 : x
  2. Step 2: Convert to fraction form
    427,321.54/589,693.62 = 236,330.92/x
  3. Step 3: Cross multiply
    427,321.54x = 589,693.62 × 236,330.92
  4. Step 4: Simplify right side
    427,321.54x = 139,362,835,732.73
  5. Step 5: Solve for x
    x = 139,362,835,732.73/427,321.54
  6. Step 6: Final answer
    x = 326,131.08

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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.