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Finding the Fourth Proportional to 439,216.26, 606,119.13 and 238,012.26

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Solution

The fourth proportional to 439,216.26, 606,119.13 and 238,012.26 is: 328,457.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,216.26 : 606,119.13 = 238,012.26 : x
  2. Step 2: Convert to fraction form
    439,216.26/606,119.13 = 238,012.26/x
  3. Step 3: Cross multiply
    439,216.26x = 606,119.13 × 238,012.26
  4. Step 4: Simplify right side
    439,216.26x = 144,263,783,960.53
  5. Step 5: Solve for x
    x = 144,263,783,960.53/439,216.26
  6. Step 6: Final answer
    x = 328,457.29

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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.