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Finding the Fourth Proportional to 622,817.17, 933,499.92 and 285,893.39

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Solution

The fourth proportional to 622,817.17, 933,499.92 and 285,893.39 is: 428,506.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,817.17 : 933,499.92 = 285,893.39 : x
  2. Step 2: Convert to fraction form
    622,817.17/933,499.92 = 285,893.39/x
  3. Step 3: Cross multiply
    622,817.17x = 933,499.92 × 285,893.39
  4. Step 4: Simplify right side
    622,817.17x = 266,881,456,693.53
  5. Step 5: Solve for x
    x = 266,881,456,693.53/622,817.17
  6. Step 6: Final answer
    x = 428,506.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.