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Finding the Fourth Proportional to 219,869.80, 328,820.55 and 184,440.40

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Solution

The fourth proportional to 219,869.80, 328,820.55 and 184,440.40 is: 275,835.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,869.80 : 328,820.55 = 184,440.40 : x
  2. Step 2: Convert to fraction form
    219,869.80/328,820.55 = 184,440.40/x
  3. Step 3: Cross multiply
    219,869.80x = 328,820.55 × 184,440.40
  4. Step 4: Simplify right side
    219,869.80x = 60,647,793,770.22
  5. Step 5: Solve for x
    x = 60,647,793,770.22/219,869.80
  6. Step 6: Final answer
    x = 275,835.03

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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.