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Finding the Fourth Proportional to 318,487.46, 439,462.51 and 182,495.26

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Solution

The fourth proportional to 318,487.46, 439,462.51 and 182,495.26 is: 251,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,487.46 : 439,462.51 = 182,495.26 : x
  2. Step 2: Convert to fraction form
    318,487.46/439,462.51 = 182,495.26/x
  3. Step 3: Cross multiply
    318,487.46x = 439,462.51 × 182,495.26
  4. Step 4: Simplify right side
    318,487.46x = 80,199,825,022.70
  5. Step 5: Solve for x
    x = 80,199,825,022.70/318,487.46
  6. Step 6: Final answer
    x = 251,814.70

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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.