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Finding the Fourth Proportional to 424,012.02, 585,139.86 and 233,028.60

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Solution

The fourth proportional to 424,012.02, 585,139.86 and 233,028.60 is: 321,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,012.02 : 585,139.86 = 233,028.60 : x
  2. Step 2: Convert to fraction form
    424,012.02/585,139.86 = 233,028.60/x
  3. Step 3: Cross multiply
    424,012.02x = 585,139.86 × 233,028.60
  4. Step 4: Simplify right side
    424,012.02x = 136,354,322,380.00
  5. Step 5: Solve for x
    x = 136,354,322,380.00/424,012.02
  6. Step 6: Final answer
    x = 321,581.27

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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.