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Finding the Fourth Proportional to 578,066.33, 797,745.71 and 323,434.01

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Solution

The fourth proportional to 578,066.33, 797,745.71 and 323,434.01 is: 446,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,066.33 : 797,745.71 = 323,434.01 : x
  2. Step 2: Convert to fraction form
    578,066.33/797,745.71 = 323,434.01/x
  3. Step 3: Cross multiply
    578,066.33x = 797,745.71 × 323,434.01
  4. Step 4: Simplify right side
    578,066.33x = 258,018,093,945.60
  5. Step 5: Solve for x
    x = 258,018,093,945.60/578,066.33
  6. Step 6: Final answer
    x = 446,346.86

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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.