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Finding the Fourth Proportional to 259,756.80, 389,635.20 and 244,010.40

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Solution

The fourth proportional to 259,756.80, 389,635.20 and 244,010.40 is: 366,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,756.80 : 389,635.20 = 244,010.40 : x
  2. Step 2: Convert to fraction form
    259,756.80/389,635.20 = 244,010.40/x
  3. Step 3: Cross multiply
    259,756.80x = 389,635.20 × 244,010.40
  4. Step 4: Simplify right side
    259,756.80x = 95,075,041,006.08
  5. Step 5: Solve for x
    x = 95,075,041,006.08/259,756.80
  6. Step 6: Final answer
    x = 366,015.60

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1.5x scale

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.