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Finding the Fourth Proportional to 634,327.62, 874,525.14 and 503,937.83

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Solution

The fourth proportional to 634,327.62, 874,525.14 and 503,937.83 is: 694,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,327.62 : 874,525.14 = 503,937.83 : x
  2. Step 2: Convert to fraction form
    634,327.62/874,525.14 = 503,937.83/x
  3. Step 3: Cross multiply
    634,327.62x = 874,525.14 × 503,937.83
  4. Step 4: Simplify right side
    634,327.62x = 440,706,296,959.42
  5. Step 5: Solve for x
    x = 440,706,296,959.42/634,327.62
  6. Step 6: Final answer
    x = 694,761.32

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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.