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Finding the Fourth Proportional to 614,948.80, 848,630.43 and 339,300.33

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Solution

The fourth proportional to 614,948.80, 848,630.43 and 339,300.33 is: 468,235.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,948.80 : 848,630.43 = 339,300.33 : x
  2. Step 2: Convert to fraction form
    614,948.80/848,630.43 = 339,300.33/x
  3. Step 3: Cross multiply
    614,948.80x = 848,630.43 × 339,300.33
  4. Step 4: Simplify right side
    614,948.80x = 287,940,583,250.54
  5. Step 5: Solve for x
    x = 287,940,583,250.54/614,948.80
  6. Step 6: Final answer
    x = 468,235.06

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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.