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Finding the Fourth Proportional to 244,558.70, 366,838.05 and 215,690.30

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Solution

The fourth proportional to 244,558.70, 366,838.05 and 215,690.30 is: 323,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,558.70 : 366,838.05 = 215,690.30 : x
  2. Step 2: Convert to fraction form
    244,558.70/366,838.05 = 215,690.30/x
  3. Step 3: Cross multiply
    244,558.70x = 366,838.05 × 215,690.30
  4. Step 4: Simplify right side
    244,558.70x = 79,123,409,055.92
  5. Step 5: Solve for x
    x = 79,123,409,055.92/244,558.70
  6. Step 6: Final answer
    x = 323,535.45

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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.