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Finding the Fourth Proportional to 219,868.30, 328,818.30 and 184,438.90

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Solution

The fourth proportional to 219,868.30, 328,818.30 and 184,438.90 is: 275,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,868.30 : 328,818.30 = 184,438.90 : x
  2. Step 2: Convert to fraction form
    219,868.30/328,818.30 = 184,438.90/x
  3. Step 3: Cross multiply
    219,868.30x = 328,818.30 × 184,438.90
  4. Step 4: Simplify right side
    219,868.30x = 60,646,885,551.87
  5. Step 5: Solve for x
    x = 60,646,885,551.87/219,868.30
  6. Step 6: Final answer
    x = 275,832.79

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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.