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Finding the Fourth Proportional to 362,702.66, 500,513.90 and 201,559.05

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Solution

The fourth proportional to 362,702.66, 500,513.90 and 201,559.05 is: 278,142.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,702.66 : 500,513.90 = 201,559.05 : x
  2. Step 2: Convert to fraction form
    362,702.66/500,513.90 = 201,559.05/x
  3. Step 3: Cross multiply
    362,702.66x = 500,513.90 × 201,559.05
  4. Step 4: Simplify right side
    362,702.66x = 100,883,105,188.00
  5. Step 5: Solve for x
    x = 100,883,105,188.00/362,702.66
  6. Step 6: Final answer
    x = 278,142.73

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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.