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Finding the Fourth Proportional to 329,430.49, 454,614.47 and 178,527.49

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Solution

The fourth proportional to 329,430.49, 454,614.47 and 178,527.49 is: 246,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,430.49 : 454,614.47 = 178,527.49 : x
  2. Step 2: Convert to fraction form
    329,430.49/454,614.47 = 178,527.49/x
  3. Step 3: Cross multiply
    329,430.49x = 454,614.47 × 178,527.49
  4. Step 4: Simplify right side
    329,430.49x = 81,161,179,354.14
  5. Step 5: Solve for x
    x = 81,161,179,354.14/329,430.49
  6. Step 6: Final answer
    x = 246,368.15

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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.