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Finding the Fourth Proportional to 260,930.43, 360,808.83 and 207,122.13

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Solution

The fourth proportional to 260,930.43, 360,808.83 and 207,122.13 is: 286,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,930.43 : 360,808.83 = 207,122.13 : x
  2. Step 2: Convert to fraction form
    260,930.43/360,808.83 = 207,122.13/x
  3. Step 3: Cross multiply
    260,930.43x = 360,808.83 × 207,122.13
  4. Step 4: Simplify right side
    260,930.43x = 74,731,493,392.41
  5. Step 5: Solve for x
    x = 74,731,493,392.41/260,930.43
  6. Step 6: Final answer
    x = 286,403.90

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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.