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Finding the Fourth Proportional to 294,456.20, 441,028.20 and 255,090.20

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Solution

The fourth proportional to 294,456.20, 441,028.20 and 255,090.20 is: 382,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,456.20 : 441,028.20 = 255,090.20 : x
  2. Step 2: Convert to fraction form
    294,456.20/441,028.20 = 255,090.20/x
  3. Step 3: Cross multiply
    294,456.20x = 441,028.20 × 255,090.20
  4. Step 4: Simplify right side
    294,456.20x = 112,501,971,743.64
  5. Step 5: Solve for x
    x = 112,501,971,743.64/294,456.20
  6. Step 6: Final answer
    x = 382,066.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.