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Finding the Fourth Proportional to 255,770.88, 352,851.84 and 243,912.48

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Solution

The fourth proportional to 255,770.88, 352,851.84 and 243,912.48 is: 336,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,770.88 : 352,851.84 = 243,912.48 : x
  2. Step 2: Convert to fraction form
    255,770.88/352,851.84 = 243,912.48/x
  3. Step 3: Cross multiply
    255,770.88x = 352,851.84 × 243,912.48
  4. Step 4: Simplify right side
    255,770.88x = 86,064,967,366.96
  5. Step 5: Solve for x
    x = 86,064,967,366.96/255,770.88
  6. Step 6: Final answer
    x = 336,492.44

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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.