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Finding the Fourth Proportional to 329,477.49, 454,679.33 and 178,574.49

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Solution

The fourth proportional to 329,477.49, 454,679.33 and 178,574.49 is: 246,433.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,477.49 : 454,679.33 = 178,574.49 : x
  2. Step 2: Convert to fraction form
    329,477.49/454,679.33 = 178,574.49/x
  3. Step 3: Cross multiply
    329,477.49x = 454,679.33 × 178,574.49
  4. Step 4: Simplify right side
    329,477.49x = 81,194,128,575.42
  5. Step 5: Solve for x
    x = 81,194,128,575.42/329,477.49
  6. Step 6: Final answer
    x = 246,433.01

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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.