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Finding the Fourth Proportional to 624,667.79, 937,376.54 and 269,681.46

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Solution

The fourth proportional to 624,667.79, 937,376.54 and 269,681.46 is: 404,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,667.79 : 937,376.54 = 269,681.46 : x
  2. Step 2: Convert to fraction form
    624,667.79/937,376.54 = 269,681.46/x
  3. Step 3: Cross multiply
    624,667.79x = 937,376.54 × 269,681.46
  4. Step 4: Simplify right side
    624,667.79x = 252,793,072,528.54
  5. Step 5: Solve for x
    x = 252,793,072,528.54/624,667.79
  6. Step 6: Final answer
    x = 404,684.02

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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.