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Finding the Fourth Proportional to 273,896.70, 410,845.05 and 155,798.70

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Solution

The fourth proportional to 273,896.70, 410,845.05 and 155,798.70 is: 233,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,896.70 : 410,845.05 = 155,798.70 : x
  2. Step 2: Convert to fraction form
    273,896.70/410,845.05 = 155,798.70/x
  3. Step 3: Cross multiply
    273,896.70x = 410,845.05 × 155,798.70
  4. Step 4: Simplify right side
    273,896.70x = 64,009,124,691.44
  5. Step 5: Solve for x
    x = 64,009,124,691.44/273,896.70
  6. Step 6: Final answer
    x = 233,698.05

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Similar ratio
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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.