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Finding the Fourth Proportional to 424,997.27, 634,386.54 and 374,553.50

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Solution

The fourth proportional to 424,997.27, 634,386.54 and 374,553.50 is: 559,089.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,997.27 : 634,386.54 = 374,553.50 : x
  2. Step 2: Convert to fraction form
    424,997.27/634,386.54 = 374,553.50/x
  3. Step 3: Cross multiply
    424,997.27x = 634,386.54 × 374,553.50
  4. Step 4: Simplify right side
    424,997.27x = 237,611,695,737.96
  5. Step 5: Solve for x
    x = 237,611,695,737.96/424,997.27
  6. Step 6: Final answer
    x = 559,089.94

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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.