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Finding the Fourth Proportional to 542,812.56, 749,093.34 and 301,087.26

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Solution

The fourth proportional to 542,812.56, 749,093.34 and 301,087.26 is: 415,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,812.56 : 749,093.34 = 301,087.26 : x
  2. Step 2: Convert to fraction form
    542,812.56/749,093.34 = 301,087.26/x
  3. Step 3: Cross multiply
    542,812.56x = 749,093.34 × 301,087.26
  4. Step 4: Simplify right side
    542,812.56x = 225,542,461,224.85
  5. Step 5: Solve for x
    x = 225,542,461,224.85/542,812.56
  6. Step 6: Final answer
    x = 415,507.08

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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.