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Finding the Fourth Proportional to 362,630.56, 500,428.56 and 201,511.84

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Solution

The fourth proportional to 362,630.56, 500,428.56 and 201,511.84 is: 278,085.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,630.56 : 500,428.56 = 201,511.84 : x
  2. Step 2: Convert to fraction form
    362,630.56/500,428.56 = 201,511.84/x
  3. Step 3: Cross multiply
    362,630.56x = 500,428.56 × 201,511.84
  4. Step 4: Simplify right side
    362,630.56x = 100,842,279,914.15
  5. Step 5: Solve for x
    x = 100,842,279,914.15/362,630.56
  6. Step 6: Final answer
    x = 278,085.44

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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.