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Finding the Fourth Proportional to 219,245.80, 328,868.70 and 183,816.40

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Solution

The fourth proportional to 219,245.80, 328,868.70 and 183,816.40 is: 275,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,245.80 : 328,868.70 = 183,816.40 : x
  2. Step 2: Convert to fraction form
    219,245.80/328,868.70 = 183,816.40/x
  3. Step 3: Cross multiply
    219,245.80x = 328,868.70 × 183,816.40
  4. Step 4: Simplify right side
    219,245.80x = 60,451,460,506.68
  5. Step 5: Solve for x
    x = 60,451,460,506.68/219,245.80
  6. Step 6: Final answer
    x = 275,724.60

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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.