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Finding the Fourth Proportional to 692,202.60, 955,241.75 and 386,291.93

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Solution

The fourth proportional to 692,202.60, 955,241.75 and 386,291.93 is: 533,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,202.60 : 955,241.75 = 386,291.93 : x
  2. Step 2: Convert to fraction form
    692,202.60/955,241.75 = 386,291.93/x
  3. Step 3: Cross multiply
    692,202.60x = 955,241.75 × 386,291.93
  4. Step 4: Simplify right side
    692,202.60x = 369,002,175,413.60
  5. Step 5: Solve for x
    x = 369,002,175,413.60/692,202.60
  6. Step 6: Final answer
    x = 533,084.06

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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.