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Finding the Fourth Proportional to 610,890.96, 843,075.84 and 339,010.44

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Solution

The fourth proportional to 610,890.96, 843,075.84 and 339,010.44 is: 467,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,890.96 : 843,075.84 = 339,010.44 : x
  2. Step 2: Convert to fraction form
    610,890.96/843,075.84 = 339,010.44/x
  3. Step 3: Cross multiply
    610,890.96x = 843,075.84 × 339,010.44
  4. Step 4: Simplify right side
    610,890.96x = 285,811,511,471.77
  5. Step 5: Solve for x
    x = 285,811,511,471.77/610,890.96
  6. Step 6: Final answer
    x = 467,860.11

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1.5x scale

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.