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Finding the Fourth Proportional to 253,769.37, 380,624.40 and 101,960.32

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Solution

The fourth proportional to 253,769.37, 380,624.40 and 101,960.32 is: 152,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,769.37 : 380,624.40 = 101,960.32 : x
  2. Step 2: Convert to fraction form
    253,769.37/380,624.40 = 101,960.32/x
  3. Step 3: Cross multiply
    253,769.37x = 380,624.40 × 101,960.32
  4. Step 4: Simplify right side
    253,769.37x = 38,808,585,623.81
  5. Step 5: Solve for x
    x = 38,808,585,623.81/253,769.37
  6. Step 6: Final answer
    x = 152,928.57

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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.