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Finding the Fourth Proportional to 624,667.66, 936,402.89 and 264,342.84

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Solution

The fourth proportional to 624,667.66, 936,402.89 and 264,342.84 is: 396,260.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,667.66 : 936,402.89 = 264,342.84 : x
  2. Step 2: Convert to fraction form
    624,667.66/936,402.89 = 264,342.84/x
  3. Step 3: Cross multiply
    624,667.66x = 936,402.89 × 264,342.84
  4. Step 4: Simplify right side
    624,667.66x = 247,531,399,326.81
  5. Step 5: Solve for x
    x = 247,531,399,326.81/624,667.66
  6. Step 6: Final answer
    x = 396,260.95

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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.