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Finding the Fourth Proportional to 216,809.58, 324,877.23 and 150,379.50

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Solution

The fourth proportional to 216,809.58, 324,877.23 and 150,379.50 is: 225,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,809.58 : 324,877.23 = 150,379.50 : x
  2. Step 2: Convert to fraction form
    216,809.58/324,877.23 = 150,379.50/x
  3. Step 3: Cross multiply
    216,809.58x = 324,877.23 × 150,379.50
  4. Step 4: Simplify right side
    216,809.58x = 48,854,875,408.79
  5. Step 5: Solve for x
    x = 48,854,875,408.79/216,809.58
  6. Step 6: Final answer
    x = 225,335.41

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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.