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Finding the Fourth Proportional to 362,647.89, 500,245.61 and 226,445.40

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Solution

The fourth proportional to 362,647.89, 500,245.61 and 226,445.40 is: 312,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,647.89 : 500,245.61 = 226,445.40 : x
  2. Step 2: Convert to fraction form
    362,647.89/500,245.61 = 226,445.40/x
  3. Step 3: Cross multiply
    362,647.89x = 500,245.61 × 226,445.40
  4. Step 4: Simplify right side
    362,647.89x = 113,278,316,122.47
  5. Step 5: Solve for x
    x = 113,278,316,122.47/362,647.89
  6. Step 6: Final answer
    x = 312,364.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.