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Finding the Fourth Proportional to 492,975.67, 739,769.69 and 315,609.97

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Solution

The fourth proportional to 492,975.67, 739,769.69 and 315,609.97 is: 473,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,975.67 : 739,769.69 = 315,609.97 : x
  2. Step 2: Convert to fraction form
    492,975.67/739,769.69 = 315,609.97/x
  3. Step 3: Cross multiply
    492,975.67x = 739,769.69 × 315,609.97
  4. Step 4: Simplify right side
    492,975.67x = 233,478,689,667.81
  5. Step 5: Solve for x
    x = 233,478,689,667.81/492,975.67
  6. Step 6: Final answer
    x = 473,610.98

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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.