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Finding the Fourth Proportional to 446,820.71, 670,020.42 and 162,310.70

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Solution

The fourth proportional to 446,820.71, 670,020.42 and 162,310.70 is: 243,389.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,820.71 : 670,020.42 = 162,310.70 : x
  2. Step 2: Convert to fraction form
    446,820.71/670,020.42 = 162,310.70/x
  3. Step 3: Cross multiply
    446,820.71x = 670,020.42 × 162,310.70
  4. Step 4: Simplify right side
    446,820.71x = 108,751,480,034.39
  5. Step 5: Solve for x
    x = 108,751,480,034.39/446,820.71
  6. Step 6: Final answer
    x = 243,389.53

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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.