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Finding the Fourth Proportional to 542,035.01, 748,268.33 and 381,028.07

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Solution

The fourth proportional to 542,035.01, 748,268.33 and 381,028.07 is: 526,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,035.01 : 748,268.33 = 381,028.07 : x
  2. Step 2: Convert to fraction form
    542,035.01/748,268.33 = 381,028.07/x
  3. Step 3: Cross multiply
    542,035.01x = 748,268.33 × 381,028.07
  4. Step 4: Simplify right side
    542,035.01x = 285,111,231,975.54
  5. Step 5: Solve for x
    x = 285,111,231,975.54/542,035.01
  6. Step 6: Final answer
    x = 526,001.51

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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.