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Finding the Fourth Proportional to 424,998.27, 634,388.03 and 374,554.50

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Solution

The fourth proportional to 424,998.27, 634,388.03 and 374,554.50 is: 559,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,998.27 : 634,388.03 = 374,554.50 : x
  2. Step 2: Convert to fraction form
    424,998.27/634,388.03 = 374,554.50/x
  3. Step 3: Cross multiply
    424,998.27x = 634,388.03 × 374,554.50
  4. Step 4: Simplify right side
    424,998.27x = 237,612,891,382.64
  5. Step 5: Solve for x
    x = 237,612,891,382.64/424,998.27
  6. Step 6: Final answer
    x = 559,091.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.