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Finding the Fourth Proportional to 671,609.60, 1,007,414.40 and 222,399.80

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Solution

The fourth proportional to 671,609.60, 1,007,414.40 and 222,399.80 is: 333,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,609.60 : 1,007,414.40 = 222,399.80 : x
  2. Step 2: Convert to fraction form
    671,609.60/1,007,414.40 = 222,399.80/x
  3. Step 3: Cross multiply
    671,609.60x = 1,007,414.40 × 222,399.80
  4. Step 4: Simplify right side
    671,609.60x = 224,048,761,077.12
  5. Step 5: Solve for x
    x = 224,048,761,077.12/671,609.60
  6. Step 6: Final answer
    x = 333,599.70

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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.