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Finding the Fourth Proportional to 609,478.56, 841,496.04 and 380,125.44

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Solution

The fourth proportional to 609,478.56, 841,496.04 and 380,125.44 is: 524,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,478.56 : 841,496.04 = 380,125.44 : x
  2. Step 2: Convert to fraction form
    609,478.56/841,496.04 = 380,125.44/x
  3. Step 3: Cross multiply
    609,478.56x = 841,496.04 × 380,125.44
  4. Step 4: Simplify right side
    609,478.56x = 319,874,052,463.26
  5. Step 5: Solve for x
    x = 319,874,052,463.26/609,478.56
  6. Step 6: Final answer
    x = 524,832.33

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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.