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Finding the Fourth Proportional to 456,080.36, 629,386.64 and 252,136.56

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Solution

The fourth proportional to 456,080.36, 629,386.64 and 252,136.56 is: 347,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,080.36 : 629,386.64 = 252,136.56 : x
  2. Step 2: Convert to fraction form
    456,080.36/629,386.64 = 252,136.56/x
  3. Step 3: Cross multiply
    456,080.36x = 629,386.64 × 252,136.56
  4. Step 4: Simplify right side
    456,080.36x = 158,691,382,319.56
  5. Step 5: Solve for x
    x = 158,691,382,319.56/456,080.36
  6. Step 6: Final answer
    x = 347,946.10

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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.