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Finding the Fourth Proportional to 351,790.76, 485,480.58 and 200,884.52

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Solution

The fourth proportional to 351,790.76, 485,480.58 and 200,884.52 is: 277,225.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,790.76 : 485,480.58 = 200,884.52 : x
  2. Step 2: Convert to fraction form
    351,790.76/485,480.58 = 200,884.52/x
  3. Step 3: Cross multiply
    351,790.76x = 485,480.58 × 200,884.52
  4. Step 4: Simplify right side
    351,790.76x = 97,525,533,282.62
  5. Step 5: Solve for x
    x = 97,525,533,282.62/351,790.76
  6. Step 6: Final answer
    x = 277,225.97

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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.