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Finding the Fourth Proportional to 260,576.76, 359,592.50 and 147,399.51

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Solution

The fourth proportional to 260,576.76, 359,592.50 and 147,399.51 is: 203,409.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,576.76 : 359,592.50 = 147,399.51 : x
  2. Step 2: Convert to fraction form
    260,576.76/359,592.50 = 147,399.51/x
  3. Step 3: Cross multiply
    260,576.76x = 359,592.50 × 147,399.51
  4. Step 4: Simplify right side
    260,576.76x = 53,003,757,562.68
  5. Step 5: Solve for x
    x = 53,003,757,562.68/260,576.76
  6. Step 6: Final answer
    x = 203,409.38

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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.