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Finding the Fourth Proportional to 260,942.70, 359,852.96 and 170,269.68

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Solution

The fourth proportional to 260,942.70, 359,852.96 and 170,269.68 is: 234,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,942.70 : 359,852.96 = 170,269.68 : x
  2. Step 2: Convert to fraction form
    260,942.70/359,852.96 = 170,269.68/x
  3. Step 3: Cross multiply
    260,942.70x = 359,852.96 × 170,269.68
  4. Step 4: Simplify right side
    260,942.70x = 61,272,048,346.25
  5. Step 5: Solve for x
    x = 61,272,048,346.25/260,942.70
  6. Step 6: Final answer
    x = 234,810.36

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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.