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Finding the Fourth Proportional to 671,704.90, 1,007,370.32 and 222,460.80

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Solution

The fourth proportional to 671,704.90, 1,007,370.32 and 222,460.80 is: 333,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,704.90 : 1,007,370.32 = 222,460.80 : x
  2. Step 2: Convert to fraction form
    671,704.90/1,007,370.32 = 222,460.80/x
  3. Step 3: Cross multiply
    671,704.90x = 1,007,370.32 × 222,460.80
  4. Step 4: Simplify right side
    671,704.90x = 224,100,407,283.46
  5. Step 5: Solve for x
    x = 224,100,407,283.46/671,704.90
  6. Step 6: Final answer
    x = 333,629.26

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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.