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Finding the Fourth Proportional to 366,892.56, 505,626.16 and 286,192.24

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Solution

The fourth proportional to 366,892.56, 505,626.16 and 286,192.24 is: 394,410.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,892.56 : 505,626.16 = 286,192.24 : x
  2. Step 2: Convert to fraction form
    366,892.56/505,626.16 = 286,192.24/x
  3. Step 3: Cross multiply
    366,892.56x = 505,626.16 × 286,192.24
  4. Step 4: Simplify right side
    366,892.56x = 144,706,283,333.00
  5. Step 5: Solve for x
    x = 144,706,283,333.00/366,892.56
  6. Step 6: Final answer
    x = 394,410.51

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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.