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Finding the Fourth Proportional to 362,580.40, 500,440.98 and 201,490.84

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Solution

The fourth proportional to 362,580.40, 500,440.98 and 201,490.84 is: 278,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,580.40 : 500,440.98 = 201,490.84 : x
  2. Step 2: Convert to fraction form
    362,580.40/500,440.98 = 201,490.84/x
  3. Step 3: Cross multiply
    362,580.40x = 500,440.98 × 201,490.84
  4. Step 4: Simplify right side
    362,580.40x = 100,834,273,430.62
  5. Step 5: Solve for x
    x = 100,834,273,430.62/362,580.40
  6. Step 6: Final answer
    x = 278,101.83

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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.