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Finding the Fourth Proportional to 634,311.83, 874,503.52 and 503,922.13

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Solution

The fourth proportional to 634,311.83, 874,503.52 and 503,922.13 is: 694,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,311.83 : 874,503.52 = 503,922.13 : x
  2. Step 2: Convert to fraction form
    634,311.83/874,503.52 = 503,922.13/x
  3. Step 3: Cross multiply
    634,311.83x = 874,503.52 × 503,922.13
  4. Step 4: Simplify right side
    634,311.83x = 440,681,676,490.90
  5. Step 5: Solve for x
    x = 440,681,676,490.90/634,311.83
  6. Step 6: Final answer
    x = 694,739.80

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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.