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Finding the Fourth Proportional to 349,415.64, 482,160.20 and 204,255.41

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Solution

The fourth proportional to 349,415.64, 482,160.20 and 204,255.41 is: 281,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,415.64 : 482,160.20 = 204,255.41 : x
  2. Step 2: Convert to fraction form
    349,415.64/482,160.20 = 204,255.41/x
  3. Step 3: Cross multiply
    349,415.64x = 482,160.20 × 204,255.41
  4. Step 4: Simplify right side
    349,415.64x = 98,483,825,904.60
  5. Step 5: Solve for x
    x = 98,483,825,904.60/349,415.64
  6. Step 6: Final answer
    x = 281,852.94

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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.