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Finding the Fourth Proportional to 329,111.57, 454,173.98 and 178,208.57

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Solution

The fourth proportional to 329,111.57, 454,173.98 and 178,208.57 is: 245,927.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,111.57 : 454,173.98 = 178,208.57 : x
  2. Step 2: Convert to fraction form
    329,111.57/454,173.98 = 178,208.57/x
  3. Step 3: Cross multiply
    329,111.57x = 454,173.98 × 178,208.57
  4. Step 4: Simplify right side
    329,111.57x = 80,937,695,751.40
  5. Step 5: Solve for x
    x = 80,937,695,751.40/329,111.57
  6. Step 6: Final answer
    x = 245,927.83

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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.