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Finding the Fourth Proportional to 231,779.70, 347,669.55 and 179,226.90

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Solution

The fourth proportional to 231,779.70, 347,669.55 and 179,226.90 is: 268,840.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,779.70 : 347,669.55 = 179,226.90 : x
  2. Step 2: Convert to fraction form
    231,779.70/347,669.55 = 179,226.90/x
  3. Step 3: Cross multiply
    231,779.70x = 347,669.55 × 179,226.90
  4. Step 4: Simplify right side
    231,779.70x = 62,311,735,670.90
  5. Step 5: Solve for x
    x = 62,311,735,670.90/231,779.70
  6. Step 6: Final answer
    x = 268,840.35

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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.