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Finding the Fourth Proportional to 216,595.33, 324,823.90 and 74,406.32

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Solution

The fourth proportional to 216,595.33, 324,823.90 and 74,406.32 is: 111,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,595.33 : 324,823.90 = 74,406.32 : x
  2. Step 2: Convert to fraction form
    216,595.33/324,823.90 = 74,406.32/x
  3. Step 3: Cross multiply
    216,595.33x = 324,823.90 × 74,406.32
  4. Step 4: Simplify right side
    216,595.33x = 24,168,951,047.05
  5. Step 5: Solve for x
    x = 24,168,951,047.05/216,595.33
  6. Step 6: Final answer
    x = 111,585.74

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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.