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Finding the Fourth Proportional to 325,502.51, 448,893.81 and 223,347.74

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Solution

The fourth proportional to 325,502.51, 448,893.81 and 223,347.74 is: 308,014.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,502.51 : 448,893.81 = 223,347.74 : x
  2. Step 2: Convert to fraction form
    325,502.51/448,893.81 = 223,347.74/x
  3. Step 3: Cross multiply
    325,502.51x = 448,893.81 × 223,347.74
  4. Step 4: Simplify right side
    325,502.51x = 100,259,415,719.02
  5. Step 5: Solve for x
    x = 100,259,415,719.02/325,502.51
  6. Step 6: Final answer
    x = 308,014.27

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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.