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Finding the Fourth Proportional to 497,128.77, 685,819.44 and 335,925

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Solution

The fourth proportional to 497,128.77, 685,819.44 and 335,925 is: 463,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,128.77 : 685,819.44 = 335,925 : x
  2. Step 2: Convert to fraction form
    497,128.77/685,819.44 = 335,925/x
  3. Step 3: Cross multiply
    497,128.77x = 685,819.44 × 335,925
  4. Step 4: Simplify right side
    497,128.77x = 230,383,895,382.00
  5. Step 5: Solve for x
    x = 230,383,895,382.00/497,128.77
  6. Step 6: Final answer
    x = 463,429.01

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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.