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Finding the Fourth Proportional to 362,920.50, 500,830.29 and 203,944.50

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Solution

The fourth proportional to 362,920.50, 500,830.29 and 203,944.50 is: 281,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,920.50 : 500,830.29 = 203,944.50 : x
  2. Step 2: Convert to fraction form
    362,920.50/500,830.29 = 203,944.50/x
  3. Step 3: Cross multiply
    362,920.50x = 500,830.29 × 203,944.50
  4. Step 4: Simplify right side
    362,920.50x = 102,141,583,078.91
  5. Step 5: Solve for x
    x = 102,141,583,078.91/362,920.50
  6. Step 6: Final answer
    x = 281,443.41

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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.