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Finding the Fourth Proportional to 216,596.33, 324,825.40 and 74,407.32

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Solution

The fourth proportional to 216,596.33, 324,825.40 and 74,407.32 is: 111,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,596.33 : 324,825.40 = 74,407.32 : x
  2. Step 2: Convert to fraction form
    216,596.33/324,825.40 = 74,407.32/x
  3. Step 3: Cross multiply
    216,596.33x = 324,825.40 × 74,407.32
  4. Step 4: Simplify right side
    216,596.33x = 24,169,387,481.93
  5. Step 5: Solve for x
    x = 24,169,387,481.93/216,596.33
  6. Step 6: Final answer
    x = 111,587.24

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1.5x scale

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.