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Finding the Fourth Proportional to 555,813.82, 767,025.75 and 301,164.94

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Solution

The fourth proportional to 555,813.82, 767,025.75 and 301,164.94 is: 415,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,813.82 : 767,025.75 = 301,164.94 : x
  2. Step 2: Convert to fraction form
    555,813.82/767,025.75 = 301,164.94/x
  3. Step 3: Cross multiply
    555,813.82x = 767,025.75 × 301,164.94
  4. Step 4: Simplify right side
    555,813.82x = 231,001,263,977.21
  5. Step 5: Solve for x
    x = 231,001,263,977.21/555,813.82
  6. Step 6: Final answer
    x = 415,609.07

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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.