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Finding the Fourth Proportional to 555,677.93, 766,835.39 and 301,029.05

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Solution

The fourth proportional to 555,677.93, 766,835.39 and 301,029.05 is: 415,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,677.93 : 766,835.39 = 301,029.05 : x
  2. Step 2: Convert to fraction form
    555,677.93/766,835.39 = 301,029.05/x
  3. Step 3: Cross multiply
    555,677.93x = 766,835.39 × 301,029.05
  4. Step 4: Simplify right side
    555,677.93x = 230,839,725,876.48
  5. Step 5: Solve for x
    x = 230,839,725,876.48/555,677.93
  6. Step 6: Final answer
    x = 415,420.00

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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.