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Finding the Fourth Proportional to 555,814.95, 767,027.31 and 301,166.07

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Solution

The fourth proportional to 555,814.95, 767,027.31 and 301,166.07 is: 415,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,814.95 : 767,027.31 = 301,166.07 : x
  2. Step 2: Convert to fraction form
    555,814.95/767,027.31 = 301,166.07/x
  3. Step 3: Cross multiply
    555,814.95x = 767,027.31 × 301,166.07
  4. Step 4: Simplify right side
    555,814.95x = 231,002,600,535.37
  5. Step 5: Solve for x
    x = 231,002,600,535.37/555,814.95
  6. Step 6: Final answer
    x = 415,610.63

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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.