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Finding the Fourth Proportional to 329,416.98, 454,583.25 and 178,510.74

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Solution

The fourth proportional to 329,416.98, 454,583.25 and 178,510.74 is: 246,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,416.98 : 454,583.25 = 178,510.74 : x
  2. Step 2: Convert to fraction form
    329,416.98/454,583.25 = 178,510.74/x
  3. Step 3: Cross multiply
    329,416.98x = 454,583.25 × 178,510.74
  4. Step 4: Simplify right side
    329,416.98x = 81,147,992,349.11
  5. Step 5: Solve for x
    x = 81,147,992,349.11/329,416.98
  6. Step 6: Final answer
    x = 246,338.22

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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.