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Finding the Fourth Proportional to 415,260.60, 622,890.90 and 362,772.60

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Solution

The fourth proportional to 415,260.60, 622,890.90 and 362,772.60 is: 544,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,260.60 : 622,890.90 = 362,772.60 : x
  2. Step 2: Convert to fraction form
    415,260.60/622,890.90 = 362,772.60/x
  3. Step 3: Cross multiply
    415,260.60x = 622,890.90 × 362,772.60
  4. Step 4: Simplify right side
    415,260.60x = 225,967,751,309.34
  5. Step 5: Solve for x
    x = 225,967,751,309.34/415,260.60
  6. Step 6: Final answer
    x = 544,158.90

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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.