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Finding the Fourth Proportional to 273,790.80, 411,300.60 and 190,846.80

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Solution

The fourth proportional to 273,790.80, 411,300.60 and 190,846.80 is: 286,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,790.80 : 411,300.60 = 190,846.80 : x
  2. Step 2: Convert to fraction form
    273,790.80/411,300.60 = 190,846.80/x
  3. Step 3: Cross multiply
    273,790.80x = 411,300.60 × 190,846.80
  4. Step 4: Simplify right side
    273,790.80x = 78,495,403,348.08
  5. Step 5: Solve for x
    x = 78,495,403,348.08/273,790.80
  6. Step 6: Final answer
    x = 286,698.47

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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.