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Finding the Fourth Proportional to 260,885.58, 390,540.60 and 235,937.38

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Solution

The fourth proportional to 260,885.58, 390,540.60 and 235,937.38 is: 353,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,885.58 : 390,540.60 = 235,937.38 : x
  2. Step 2: Convert to fraction form
    260,885.58/390,540.60 = 235,937.38/x
  3. Step 3: Cross multiply
    260,885.58x = 390,540.60 × 235,937.38
  4. Step 4: Simplify right side
    260,885.58x = 92,143,125,947.63
  5. Step 5: Solve for x
    x = 92,143,125,947.63/260,885.58
  6. Step 6: Final answer
    x = 353,193.63

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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.