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Finding the Fourth Proportional to 504,769.35, 755,376.74 and 315,318.92

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Solution

The fourth proportional to 504,769.35, 755,376.74 and 315,318.92 is: 471,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,769.35 : 755,376.74 = 315,318.92 : x
  2. Step 2: Convert to fraction form
    504,769.35/755,376.74 = 315,318.92/x
  3. Step 3: Cross multiply
    504,769.35x = 755,376.74 × 315,318.92
  4. Step 4: Simplify right side
    504,769.35x = 238,184,576,273.33
  5. Step 5: Solve for x
    x = 238,184,576,273.33/504,769.35
  6. Step 6: Final answer
    x = 471,868.14

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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.