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Finding the Fourth Proportional to 453,771.72, 626,147.82 and 262,783.44

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Solution

The fourth proportional to 453,771.72, 626,147.82 and 262,783.44 is: 362,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,771.72 : 626,147.82 = 262,783.44 : x
  2. Step 2: Convert to fraction form
    453,771.72/626,147.82 = 262,783.44/x
  3. Step 3: Cross multiply
    453,771.72x = 626,147.82 × 262,783.44
  4. Step 4: Simplify right side
    453,771.72x = 164,541,278,088.10
  5. Step 5: Solve for x
    x = 164,541,278,088.10/453,771.72
  6. Step 6: Final answer
    x = 362,608.05

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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.