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Finding the Fourth Proportional to 556,348.44, 767,761.26 and 301,699.56

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Solution

The fourth proportional to 556,348.44, 767,761.26 and 301,699.56 is: 416,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,348.44 : 767,761.26 = 301,699.56 : x
  2. Step 2: Convert to fraction form
    556,348.44/767,761.26 = 301,699.56/x
  3. Step 3: Cross multiply
    556,348.44x = 767,761.26 × 301,699.56
  4. Step 4: Simplify right side
    556,348.44x = 231,633,234,327.05
  5. Step 5: Solve for x
    x = 231,633,234,327.05/556,348.44
  6. Step 6: Final answer
    x = 416,345.62

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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.