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Finding the Fourth Proportional to 273,343.80, 410,015.70 and 255,718.20

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Solution

The fourth proportional to 273,343.80, 410,015.70 and 255,718.20 is: 383,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,343.80 : 410,015.70 = 255,718.20 : x
  2. Step 2: Convert to fraction form
    273,343.80/410,015.70 = 255,718.20/x
  3. Step 3: Cross multiply
    273,343.80x = 410,015.70 × 255,718.20
  4. Step 4: Simplify right side
    273,343.80x = 104,848,476,775.74
  5. Step 5: Solve for x
    x = 104,848,476,775.74/273,343.80
  6. Step 6: Final answer
    x = 383,577.30

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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.