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Finding the Fourth Proportional to 609,975.72, 841,754.38 and 338,037.97

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Solution

The fourth proportional to 609,975.72, 841,754.38 and 338,037.97 is: 466,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,975.72 : 841,754.38 = 338,037.97 : x
  2. Step 2: Convert to fraction form
    609,975.72/841,754.38 = 338,037.97/x
  3. Step 3: Cross multiply
    609,975.72x = 841,754.38 × 338,037.97
  4. Step 4: Simplify right side
    609,975.72x = 284,544,941,853.81
  5. Step 5: Solve for x
    x = 284,544,941,853.81/609,975.72
  6. Step 6: Final answer
    x = 466,485.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.