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Finding the Fourth Proportional to 883,597.61, 1,325,409.74 and 336,520.31

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Solution

The fourth proportional to 883,597.61, 1,325,409.74 and 336,520.31 is: 504,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,597.61 : 1,325,409.74 = 336,520.31 : x
  2. Step 2: Convert to fraction form
    883,597.61/1,325,409.74 = 336,520.31/x
  3. Step 3: Cross multiply
    883,597.61x = 1,325,409.74 × 336,520.31
  4. Step 4: Simplify right side
    883,597.61x = 446,027,290,796.07
  5. Step 5: Solve for x
    x = 446,027,290,796.07/883,597.61
  6. Step 6: Final answer
    x = 504,785.54

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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.