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Finding the Fourth Proportional to 424,999.27, 634,389.52 and 374,555.50

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Solution

The fourth proportional to 424,999.27, 634,389.52 and 374,555.50 is: 559,092.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,999.27 : 634,389.52 = 374,555.50 : x
  2. Step 2: Convert to fraction form
    424,999.27/634,389.52 = 374,555.50/x
  3. Step 3: Cross multiply
    424,999.27x = 634,389.52 × 374,555.50
  4. Step 4: Simplify right side
    424,999.27x = 237,614,083,858.36
  5. Step 5: Solve for x
    x = 237,614,083,858.36/424,999.27
  6. Step 6: Final answer
    x = 559,092.92

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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.