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Finding the Fourth Proportional to 439,525.84, 606,546 and 238,321.84

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Solution

The fourth proportional to 439,525.84, 606,546 and 238,321.84 is: 328,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,525.84 : 606,546 = 238,321.84 : x
  2. Step 2: Convert to fraction form
    439,525.84/606,546 = 238,321.84/x
  3. Step 3: Cross multiply
    439,525.84x = 606,546 × 238,321.84
  4. Step 4: Simplify right side
    439,525.84x = 144,553,158,764.64
  5. Step 5: Solve for x
    x = 144,553,158,764.64/439,525.84
  6. Step 6: Final answer
    x = 328,884.32

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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.