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Finding the Fourth Proportional to 329,368.84, 454,529.32 and 178,465.84

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Solution

The fourth proportional to 329,368.84, 454,529.32 and 178,465.84 is: 246,283.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,368.84 : 454,529.32 = 178,465.84 : x
  2. Step 2: Convert to fraction form
    329,368.84/454,529.32 = 178,465.84/x
  3. Step 3: Cross multiply
    329,368.84x = 454,529.32 × 178,465.84
  4. Step 4: Simplify right side
    329,368.84x = 81,117,956,898.43
  5. Step 5: Solve for x
    x = 81,117,956,898.43/329,368.84
  6. Step 6: Final answer
    x = 246,283.03

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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.