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Finding the Fourth Proportional to 318,624.17, 439,649.90 and 182,633.09

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Solution

The fourth proportional to 318,624.17, 439,649.90 and 182,633.09 is: 252,004.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,624.17 : 439,649.90 = 182,633.09 : x
  2. Step 2: Convert to fraction form
    318,624.17/439,649.90 = 182,633.09/x
  3. Step 3: Cross multiply
    318,624.17x = 439,649.90 × 182,633.09
  4. Step 4: Simplify right side
    318,624.17x = 80,294,616,643.78
  5. Step 5: Solve for x
    x = 80,294,616,643.78/318,624.17
  6. Step 6: Final answer
    x = 252,004.16

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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.