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Finding the Fourth Proportional to 845,564.56, 1,268,638.56 and 529,645.12

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Solution

The fourth proportional to 845,564.56, 1,268,638.56 and 529,645.12 is: 794,650.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,564.56 : 1,268,638.56 = 529,645.12 : x
  2. Step 2: Convert to fraction form
    845,564.56/1,268,638.56 = 529,645.12/x
  3. Step 3: Cross multiply
    845,564.56x = 1,268,638.56 × 529,645.12
  4. Step 4: Simplify right side
    845,564.56x = 671,928,222,347.83
  5. Step 5: Solve for x
    x = 671,928,222,347.83/845,564.56
  6. Step 6: Final answer
    x = 794,650.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.