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Finding the Fourth Proportional to 551,241.82, 760,833.98 and 396,606.34

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Solution

The fourth proportional to 551,241.82, 760,833.98 and 396,606.34 is: 547,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,241.82 : 760,833.98 = 396,606.34 : x
  2. Step 2: Convert to fraction form
    551,241.82/760,833.98 = 396,606.34/x
  3. Step 3: Cross multiply
    551,241.82x = 760,833.98 × 396,606.34
  4. Step 4: Simplify right side
    551,241.82x = 301,751,580,610.72
  5. Step 5: Solve for x
    x = 301,751,580,610.72/551,241.82
  6. Step 6: Final answer
    x = 547,403.28

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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.