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Finding the Fourth Proportional to 329,007.45, 454,031.73 and 178,104.45

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Solution

The fourth proportional to 329,007.45, 454,031.73 and 178,104.45 is: 245,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,007.45 : 454,031.73 = 178,104.45 : x
  2. Step 2: Convert to fraction form
    329,007.45/454,031.73 = 178,104.45/x
  3. Step 3: Cross multiply
    329,007.45x = 454,031.73 × 178,104.45
  4. Step 4: Simplify right side
    329,007.45x = 80,865,071,554.20
  5. Step 5: Solve for x
    x = 80,865,071,554.20/329,007.45
  6. Step 6: Final answer
    x = 245,784.93

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1.5x scale

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.