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Finding the Fourth Proportional to 585,074.64, 804,303.15 and 503,102.70

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Solution

The fourth proportional to 585,074.64, 804,303.15 and 503,102.70 is: 691,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,074.64 : 804,303.15 = 503,102.70 : x
  2. Step 2: Convert to fraction form
    585,074.64/804,303.15 = 503,102.70/x
  3. Step 3: Cross multiply
    585,074.64x = 804,303.15 × 503,102.70
  4. Step 4: Simplify right side
    585,074.64x = 404,647,086,383.51
  5. Step 5: Solve for x
    x = 404,647,086,383.51/585,074.64
  6. Step 6: Final answer
    x = 691,616.18

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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.