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Finding the Fourth Proportional to 672,187.81, 927,608.29 and 366,268.27

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Solution

The fourth proportional to 672,187.81, 927,608.29 and 366,268.27 is: 505,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,187.81 : 927,608.29 = 366,268.27 : x
  2. Step 2: Convert to fraction form
    672,187.81/927,608.29 = 366,268.27/x
  3. Step 3: Cross multiply
    672,187.81x = 927,608.29 × 366,268.27
  4. Step 4: Simplify right side
    672,187.81x = 339,753,483,615.96
  5. Step 5: Solve for x
    x = 339,753,483,615.96/672,187.81
  6. Step 6: Final answer
    x = 505,444.28

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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.