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Finding the Fourth Proportional to 634,791.43, 951,079.93 and 528,855.89

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Solution

The fourth proportional to 634,791.43, 951,079.93 and 528,855.89 is: 792,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,791.43 : 951,079.93 = 528,855.89 : x
  2. Step 2: Convert to fraction form
    634,791.43/951,079.93 = 528,855.89/x
  3. Step 3: Cross multiply
    634,791.43x = 951,079.93 × 528,855.89
  4. Step 4: Simplify right side
    634,791.43x = 502,984,216,763.75
  5. Step 5: Solve for x
    x = 502,984,216,763.75/634,791.43
  6. Step 6: Final answer
    x = 792,361.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.