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Finding the Fourth Proportional to 447,096.78, 616,990.50 and 253,541.07

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Solution

The fourth proportional to 447,096.78, 616,990.50 and 253,541.07 is: 349,884.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,096.78 : 616,990.50 = 253,541.07 : x
  2. Step 2: Convert to fraction form
    447,096.78/616,990.50 = 253,541.07/x
  3. Step 3: Cross multiply
    447,096.78x = 616,990.50 × 253,541.07
  4. Step 4: Simplify right side
    447,096.78x = 156,432,431,549.84
  5. Step 5: Solve for x
    x = 156,432,431,549.84/447,096.78
  6. Step 6: Final answer
    x = 349,884.94

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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.