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Finding the Fourth Proportional to 318,488.46, 439,463.88 and 182,496.26

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Solution

The fourth proportional to 318,488.46, 439,463.88 and 182,496.26 is: 251,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,488.46 : 439,463.88 = 182,496.26 : x
  2. Step 2: Convert to fraction form
    318,488.46/439,463.88 = 182,496.26/x
  3. Step 3: Cross multiply
    318,488.46x = 439,463.88 × 182,496.26
  4. Step 4: Simplify right side
    318,488.46x = 80,200,514,505.09
  5. Step 5: Solve for x
    x = 80,200,514,505.09/318,488.46
  6. Step 6: Final answer
    x = 251,816.08

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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.