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Finding the Fourth Proportional to 584,059, 806,001.42 and 315,787

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Solution

The fourth proportional to 584,059, 806,001.42 and 315,787 is: 435,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,059 : 806,001.42 = 315,787 : x
  2. Step 2: Convert to fraction form
    584,059/806,001.42 = 315,787/x
  3. Step 3: Cross multiply
    584,059x = 806,001.42 × 315,787
  4. Step 4: Simplify right side
    584,059x = 254,524,770,417.54
  5. Step 5: Solve for x
    x = 254,524,770,417.54/584,059
  6. Step 6: Final answer
    x = 435,786.06

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.