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Finding the Fourth Proportional to 319,630.54, 441,255.99 and 233,492.80

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Solution

The fourth proportional to 319,630.54, 441,255.99 and 233,492.80 is: 322,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,630.54 : 441,255.99 = 233,492.80 : x
  2. Step 2: Convert to fraction form
    319,630.54/441,255.99 = 233,492.80/x
  3. Step 3: Cross multiply
    319,630.54x = 441,255.99 × 233,492.80
  4. Step 4: Simplify right side
    319,630.54x = 103,030,096,735.64
  5. Step 5: Solve for x
    x = 103,030,096,735.64/319,630.54
  6. Step 6: Final answer
    x = 322,341.21

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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.