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Finding the Fourth Proportional to 542,770.15, 748,992.27 and 301,035.37

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Solution

The fourth proportional to 542,770.15, 748,992.27 and 301,035.37 is: 415,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,770.15 : 748,992.27 = 301,035.37 : x
  2. Step 2: Convert to fraction form
    542,770.15/748,992.27 = 301,035.37/x
  3. Step 3: Cross multiply
    542,770.15x = 748,992.27 × 301,035.37
  4. Step 4: Simplify right side
    542,770.15x = 225,473,165,126.59
  5. Step 5: Solve for x
    x = 225,473,165,126.59/542,770.15
  6. Step 6: Final answer
    x = 415,411.87

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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.