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Finding the Fourth Proportional to 611,817.03, 844,306.74 and 339,910.02

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Solution

The fourth proportional to 611,817.03, 844,306.74 and 339,910.02 is: 469,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,817.03 : 844,306.74 = 339,910.02 : x
  2. Step 2: Convert to fraction form
    611,817.03/844,306.74 = 339,910.02/x
  3. Step 3: Cross multiply
    611,817.03x = 844,306.74 × 339,910.02
  4. Step 4: Simplify right side
    611,817.03x = 286,988,320,879.54
  5. Step 5: Solve for x
    x = 286,988,320,879.54/611,817.03
  6. Step 6: Final answer
    x = 469,075.40

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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.