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Finding the Fourth Proportional to 413,900.22, 621,284.69 and 366,816.54

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Solution

The fourth proportional to 413,900.22, 621,284.69 and 366,816.54 is: 550,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,900.22 : 621,284.69 = 366,816.54 : x
  2. Step 2: Convert to fraction form
    413,900.22/621,284.69 = 366,816.54/x
  3. Step 3: Cross multiply
    413,900.22x = 621,284.69 × 366,816.54
  4. Step 4: Simplify right side
    413,900.22x = 227,897,501,257.81
  5. Step 5: Solve for x
    x = 227,897,501,257.81/413,900.22
  6. Step 6: Final answer
    x = 550,609.76

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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.