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Finding the Fourth Proportional to 329,744.51, 455,047.43 and 186,501.48

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Solution

The fourth proportional to 329,744.51, 455,047.43 and 186,501.48 is: 257,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,744.51 : 455,047.43 = 186,501.48 : x
  2. Step 2: Convert to fraction form
    329,744.51/455,047.43 = 186,501.48/x
  3. Step 3: Cross multiply
    329,744.51x = 455,047.43 × 186,501.48
  4. Step 4: Simplify right side
    329,744.51x = 84,867,019,165.20
  5. Step 5: Solve for x
    x = 84,867,019,165.20/329,744.51
  6. Step 6: Final answer
    x = 257,372.05

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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.