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Finding the Fourth Proportional to 244,556.70, 366,835.05 and 215,688.30

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Solution

The fourth proportional to 244,556.70, 366,835.05 and 215,688.30 is: 323,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,556.70 : 366,835.05 = 215,688.30 : x
  2. Step 2: Convert to fraction form
    244,556.70/366,835.05 = 215,688.30/x
  3. Step 3: Cross multiply
    244,556.70x = 366,835.05 × 215,688.30
  4. Step 4: Simplify right side
    244,556.70x = 79,122,028,314.92
  5. Step 5: Solve for x
    x = 79,122,028,314.92/244,556.70
  6. Step 6: Final answer
    x = 323,532.45

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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.