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Finding the Fourth Proportional to 260,699.40, 359,779.22 and 158,708.68

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Solution

The fourth proportional to 260,699.40, 359,779.22 and 158,708.68 is: 219,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,699.40 : 359,779.22 = 158,708.68 : x
  2. Step 2: Convert to fraction form
    260,699.40/359,779.22 = 158,708.68/x
  3. Step 3: Cross multiply
    260,699.40x = 359,779.22 × 158,708.68
  4. Step 4: Simplify right side
    260,699.40x = 57,100,085,097.63
  5. Step 5: Solve for x
    x = 57,100,085,097.63/260,699.40
  6. Step 6: Final answer
    x = 219,026.53

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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.