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Finding the Fourth Proportional to 555,962.82, 767,230.02 and 301,313.94

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Solution

The fourth proportional to 555,962.82, 767,230.02 and 301,313.94 is: 415,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,962.82 : 767,230.02 = 301,313.94 : x
  2. Step 2: Convert to fraction form
    555,962.82/767,230.02 = 301,313.94/x
  3. Step 3: Cross multiply
    555,962.82x = 767,230.02 × 301,313.94
  4. Step 4: Simplify right side
    555,962.82x = 231,177,100,212.48
  5. Step 5: Solve for x
    x = 231,177,100,212.48/555,962.82
  6. Step 6: Final answer
    x = 415,813.96

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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.