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Finding the Fourth Proportional to 555,664.82, 766,817.44 and 301,016.00

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Solution

The fourth proportional to 555,664.82, 766,817.44 and 301,016.00 is: 415,402.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,664.82 : 766,817.44 = 301,016.00 : x
  2. Step 2: Convert to fraction form
    555,664.82/766,817.44 = 301,016.00/x
  3. Step 3: Cross multiply
    555,664.82x = 766,817.44 × 301,016.00
  4. Step 4: Simplify right side
    555,664.82x = 230,824,319,683.54
  5. Step 5: Solve for x
    x = 230,824,319,683.54/555,664.82
  6. Step 6: Final answer
    x = 415,402.08

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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.