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Finding the Fourth Proportional to 605,740.14, 907,605.81 and 368,364.78

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Solution

The fourth proportional to 605,740.14, 907,605.81 and 368,364.78 is: 551,936.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,740.14 : 907,605.81 = 368,364.78 : x
  2. Step 2: Convert to fraction form
    605,740.14/907,605.81 = 368,364.78/x
  3. Step 3: Cross multiply
    605,740.14x = 907,605.81 × 368,364.78
  4. Step 4: Simplify right side
    605,740.14x = 334,330,014,527.37
  5. Step 5: Solve for x
    x = 334,330,014,527.37/605,740.14
  6. Step 6: Final answer
    x = 551,936.37

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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.