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Finding the Fourth Proportional to 219,862.80, 328,810.05 and 184,433.40

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Solution

The fourth proportional to 219,862.80, 328,810.05 and 184,433.40 is: 275,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,862.80 : 328,810.05 = 184,433.40 : x
  2. Step 2: Convert to fraction form
    219,862.80/328,810.05 = 184,433.40/x
  3. Step 3: Cross multiply
    219,862.80x = 328,810.05 × 184,433.40
  4. Step 4: Simplify right side
    219,862.80x = 60,643,555,475.67
  5. Step 5: Solve for x
    x = 60,643,555,475.67/219,862.80
  6. Step 6: Final answer
    x = 275,824.54

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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.