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Finding the Fourth Proportional to 253,647.57, 380,496.53 and 93,765.40

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Solution

The fourth proportional to 253,647.57, 380,496.53 and 93,765.40 is: 140,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,647.57 : 380,496.53 = 93,765.40 : x
  2. Step 2: Convert to fraction form
    253,647.57/380,496.53 = 93,765.40/x
  3. Step 3: Cross multiply
    253,647.57x = 380,496.53 × 93,765.40
  4. Step 4: Simplify right side
    253,647.57x = 35,677,409,334.06
  5. Step 5: Solve for x
    x = 35,677,409,334.06/253,647.57
  6. Step 6: Final answer
    x = 140,657.41

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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.