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Finding the Fourth Proportional to 362,631.98, 543,947.86 and 113,313.98

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Solution

The fourth proportional to 362,631.98, 543,947.86 and 113,313.98 is: 169,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,631.98 : 543,947.86 = 113,313.98 : x
  2. Step 2: Convert to fraction form
    362,631.98/543,947.86 = 113,313.98/x
  3. Step 3: Cross multiply
    362,631.98x = 543,947.86 × 113,313.98
  4. Step 4: Simplify right side
    362,631.98x = 61,636,894,350.99
  5. Step 5: Solve for x
    x = 61,636,894,350.99/362,631.98
  6. Step 6: Final answer
    x = 169,970.93

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.