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Finding the Fourth Proportional to 329,606.55, 454,866.63 and 186,363.51

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Solution

The fourth proportional to 329,606.55, 454,866.63 and 186,363.51 is: 257,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,606.55 : 454,866.63 = 186,363.51 : x
  2. Step 2: Convert to fraction form
    329,606.55/454,866.63 = 186,363.51/x
  3. Step 3: Cross multiply
    329,606.55x = 454,866.63 × 186,363.51
  4. Step 4: Simplify right side
    329,606.55x = 84,770,541,748.67
  5. Step 5: Solve for x
    x = 84,770,541,748.67/329,606.55
  6. Step 6: Final answer
    x = 257,187.07

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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.