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Finding the Fourth Proportional to 318,245.55, 439,181.96 and 175,006.56

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Solution

The fourth proportional to 318,245.55, 439,181.96 and 175,006.56 is: 241,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,245.55 : 439,181.96 = 175,006.56 : x
  2. Step 2: Convert to fraction form
    318,245.55/439,181.96 = 175,006.56/x
  3. Step 3: Cross multiply
    318,245.55x = 439,181.96 × 175,006.56
  4. Step 4: Simplify right side
    318,245.55x = 76,859,724,033.66
  5. Step 5: Solve for x
    x = 76,859,724,033.66/318,245.55
  6. Step 6: Final answer
    x = 241,510.76

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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.