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Finding the Fourth Proportional to 264,676.32, 397,036.32 and 84,788

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Solution

The fourth proportional to 264,676.32, 397,036.32 and 84,788 is: 127,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,676.32 : 397,036.32 = 84,788 : x
  2. Step 2: Convert to fraction form
    264,676.32/397,036.32 = 84,788/x
  3. Step 3: Cross multiply
    264,676.32x = 397,036.32 × 84,788
  4. Step 4: Simplify right side
    264,676.32x = 33,663,915,500.16
  5. Step 5: Solve for x
    x = 33,663,915,500.16/264,676.32
  6. Step 6: Final answer
    x = 127,189.00

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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.