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Finding the Fourth Proportional to 260,590.44, 390,787.23 and 110,901.22

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Solution

The fourth proportional to 260,590.44, 390,787.23 and 110,901.22 is: 166,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,590.44 : 390,787.23 = 110,901.22 : x
  2. Step 2: Convert to fraction form
    260,590.44/390,787.23 = 110,901.22/x
  3. Step 3: Cross multiply
    260,590.44x = 390,787.23 × 110,901.22
  4. Step 4: Simplify right side
    260,590.44x = 43,338,780,567.42
  5. Step 5: Solve for x
    x = 43,338,780,567.42/260,590.44
  6. Step 6: Final answer
    x = 166,309.94

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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.