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Finding the Fourth Proportional to 415,266.80, 622,025.40 and 336,534.80

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Solution

The fourth proportional to 415,266.80, 622,025.40 and 336,534.80 is: 504,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,266.80 : 622,025.40 = 336,534.80 : x
  2. Step 2: Convert to fraction form
    415,266.80/622,025.40 = 336,534.80/x
  3. Step 3: Cross multiply
    415,266.80x = 622,025.40 × 336,534.80
  4. Step 4: Simplify right side
    415,266.80x = 209,333,193,583.92
  5. Step 5: Solve for x
    x = 209,333,193,583.92/415,266.80
  6. Step 6: Final answer
    x = 504,093.26

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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.