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Finding the Fourth Proportional to 362,390.76, 500,122.40 and 201,245.81

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Solution

The fourth proportional to 362,390.76, 500,122.40 and 201,245.81 is: 277,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,390.76 : 500,122.40 = 201,245.81 : x
  2. Step 2: Convert to fraction form
    362,390.76/500,122.40 = 201,245.81/x
  3. Step 3: Cross multiply
    362,390.76x = 500,122.40 × 201,245.81
  4. Step 4: Simplify right side
    362,390.76x = 100,647,533,980.30
  5. Step 5: Solve for x
    x = 100,647,533,980.30/362,390.76
  6. Step 6: Final answer
    x = 277,732.06

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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.