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Finding the Fourth Proportional to 627,554.93, 866,020.62 and 341,076.77

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Solution

The fourth proportional to 627,554.93, 866,020.62 and 341,076.77 is: 470,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,554.93 : 866,020.62 = 341,076.77 : x
  2. Step 2: Convert to fraction form
    627,554.93/866,020.62 = 341,076.77/x
  3. Step 3: Cross multiply
    627,554.93x = 866,020.62 × 341,076.77
  4. Step 4: Simplify right side
    627,554.93x = 295,379,515,823.00
  5. Step 5: Solve for x
    x = 295,379,515,823.00/627,554.93
  6. Step 6: Final answer
    x = 470,683.13

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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.