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Finding the Fourth Proportional to 351,333.84, 484,513.20 and 325,238.88

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Solution

The fourth proportional to 351,333.84, 484,513.20 and 325,238.88 is: 448,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,333.84 : 484,513.20 = 325,238.88 : x
  2. Step 2: Convert to fraction form
    351,333.84/484,513.20 = 325,238.88/x
  3. Step 3: Cross multiply
    351,333.84x = 484,513.20 × 325,238.88
  4. Step 4: Simplify right side
    351,333.84x = 157,582,530,513.22
  5. Step 5: Solve for x
    x = 157,582,530,513.22/351,333.84
  6. Step 6: Final answer
    x = 448,526.48

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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.