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Finding the Fourth Proportional to 585,074.89, 804,303.49 and 503,102.95

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Solution

The fourth proportional to 585,074.89, 804,303.49 and 503,102.95 is: 691,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,074.89 : 804,303.49 = 503,102.95 : x
  2. Step 2: Convert to fraction form
    585,074.89/804,303.49 = 503,102.95/x
  3. Step 3: Cross multiply
    585,074.89x = 804,303.49 × 503,102.95
  4. Step 4: Simplify right side
    585,074.89x = 404,647,459,772.05
  5. Step 5: Solve for x
    x = 404,647,459,772.05/585,074.89
  6. Step 6: Final answer
    x = 691,616.52

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.