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Finding the Fourth Proportional to 273,427.50, 377,269.50 and 158,639.64

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Solution

The fourth proportional to 273,427.50, 377,269.50 and 158,639.64 is: 218,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,427.50 : 377,269.50 = 158,639.64 : x
  2. Step 2: Convert to fraction form
    273,427.50/377,269.50 = 158,639.64/x
  3. Step 3: Cross multiply
    273,427.50x = 377,269.50 × 158,639.64
  4. Step 4: Simplify right side
    273,427.50x = 59,849,897,662.98
  5. Step 5: Solve for x
    x = 59,849,897,662.98/273,427.50
  6. Step 6: Final answer
    x = 218,887.63

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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.