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Finding the Fourth Proportional to 555,725.36, 766,901.77 and 301,076.54

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Solution

The fourth proportional to 555,725.36, 766,901.77 and 301,076.54 is: 415,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,725.36 : 766,901.77 = 301,076.54 : x
  2. Step 2: Convert to fraction form
    555,725.36/766,901.77 = 301,076.54/x
  3. Step 3: Cross multiply
    555,725.36x = 766,901.77 × 301,076.54
  4. Step 4: Simplify right side
    555,725.36x = 230,896,135,727.54
  5. Step 5: Solve for x
    x = 230,896,135,727.54/555,725.36
  6. Step 6: Final answer
    x = 415,486.05

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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.