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Finding the Fourth Proportional to 503,915.18, 695,158.00 and 322,481.66

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Solution

The fourth proportional to 503,915.18, 695,158.00 and 322,481.66 is: 444,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,915.18 : 695,158.00 = 322,481.66 : x
  2. Step 2: Convert to fraction form
    503,915.18/695,158.00 = 322,481.66/x
  3. Step 3: Cross multiply
    503,915.18x = 695,158.00 × 322,481.66
  4. Step 4: Simplify right side
    503,915.18x = 224,175,701,520.29
  5. Step 5: Solve for x
    x = 224,175,701,520.29/503,915.18
  6. Step 6: Final answer
    x = 444,867.93

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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.