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Finding the Fourth Proportional to 328,436.70, 452,623.32 and 237,638.94

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Solution

The fourth proportional to 328,436.70, 452,623.32 and 237,638.94 is: 327,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,436.70 : 452,623.32 = 237,638.94 : x
  2. Step 2: Convert to fraction form
    328,436.70/452,623.32 = 237,638.94/x
  3. Step 3: Cross multiply
    328,436.70x = 452,623.32 × 237,638.94
  4. Step 4: Simplify right side
    328,436.70x = 107,560,925,984.08
  5. Step 5: Solve for x
    x = 107,560,925,984.08/328,436.70
  6. Step 6: Final answer
    x = 327,493.63

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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.