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Finding the Fourth Proportional to 362,486.88, 500,215.68 and 201,353.04

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Solution

The fourth proportional to 362,486.88, 500,215.68 and 201,353.04 is: 277,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,486.88 : 500,215.68 = 201,353.04 : x
  2. Step 2: Convert to fraction form
    362,486.88/500,215.68 = 201,353.04/x
  3. Step 3: Cross multiply
    362,486.88x = 500,215.68 × 201,353.04
  4. Step 4: Simplify right side
    362,486.88x = 100,719,947,823.67
  5. Step 5: Solve for x
    x = 100,719,947,823.67/362,486.88
  6. Step 6: Final answer
    x = 277,858.19

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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.