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Finding the Fourth Proportional to 456,131.80, 629,460.30 and 254,927.80

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Solution

The fourth proportional to 456,131.80, 629,460.30 and 254,927.80 is: 351,799.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,131.80 : 629,460.30 = 254,927.80 : x
  2. Step 2: Convert to fraction form
    456,131.80/629,460.30 = 254,927.80/x
  3. Step 3: Cross multiply
    456,131.80x = 629,460.30 × 254,927.80
  4. Step 4: Simplify right side
    456,131.80x = 160,466,926,319.04
  5. Step 5: Solve for x
    x = 160,466,926,319.04/456,131.80
  6. Step 6: Final answer
    x = 351,799.48

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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.