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Finding the Fourth Proportional to 362,539.40, 500,290.46 and 201,404.56

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Solution

The fourth proportional to 362,539.40, 500,290.46 and 201,404.56 is: 277,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,539.40 : 500,290.46 = 201,404.56 : x
  2. Step 2: Convert to fraction form
    362,539.40/500,290.46 = 201,404.56/x
  3. Step 3: Cross multiply
    362,539.40x = 500,290.46 × 201,404.56
  4. Step 4: Simplify right side
    362,539.40x = 100,760,779,968.50
  5. Step 5: Solve for x
    x = 100,760,779,968.50/362,539.40
  6. Step 6: Final answer
    x = 277,930.56

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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.