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Finding the Fourth Proportional to 219,212.34, 328,797.17 and 148,588.81

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Solution

The fourth proportional to 219,212.34, 328,797.17 and 148,588.81 is: 222,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,212.34 : 328,797.17 = 148,588.81 : x
  2. Step 2: Convert to fraction form
    219,212.34/328,797.17 = 148,588.81/x
  3. Step 3: Cross multiply
    219,212.34x = 328,797.17 × 148,588.81
  4. Step 4: Simplify right side
    219,212.34x = 48,855,580,221.67
  5. Step 5: Solve for x
    x = 48,855,580,221.67/219,212.34
  6. Step 6: Final answer
    x = 222,868.75

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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.