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Finding the Fourth Proportional to 578,364.33, 797,991.44 and 333,289.11

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Solution

The fourth proportional to 578,364.33, 797,991.44 and 333,289.11 is: 459,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,364.33 : 797,991.44 = 333,289.11 : x
  2. Step 2: Convert to fraction form
    578,364.33/797,991.44 = 333,289.11/x
  3. Step 3: Cross multiply
    578,364.33x = 797,991.44 × 333,289.11
  4. Step 4: Simplify right side
    578,364.33x = 265,961,855,158.77
  5. Step 5: Solve for x
    x = 265,961,855,158.77/578,364.33
  6. Step 6: Final answer
    x = 459,851.76

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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.