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Finding the Fourth Proportional to 328,524.84, 453,364.27 and 177,621.84

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Solution

The fourth proportional to 328,524.84, 453,364.27 and 177,621.84 is: 245,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,524.84 : 453,364.27 = 177,621.84 : x
  2. Step 2: Convert to fraction form
    328,524.84/453,364.27 = 177,621.84/x
  3. Step 3: Cross multiply
    328,524.84x = 453,364.27 × 177,621.84
  4. Step 4: Simplify right side
    328,524.84x = 80,527,395,827.66
  5. Step 5: Solve for x
    x = 80,527,395,827.66/328,524.84
  6. Step 6: Final answer
    x = 245,118.13

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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.