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Finding the Fourth Proportional to 679,177.68, 937,204.34 and 373,250.54

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Solution

The fourth proportional to 679,177.68, 937,204.34 and 373,250.54 is: 515,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,177.68 : 937,204.34 = 373,250.54 : x
  2. Step 2: Convert to fraction form
    679,177.68/937,204.34 = 373,250.54/x
  3. Step 3: Cross multiply
    679,177.68x = 937,204.34 × 373,250.54
  4. Step 4: Simplify right side
    679,177.68x = 349,812,019,443.07
  5. Step 5: Solve for x
    x = 349,812,019,443.07/679,177.68
  6. Step 6: Final answer
    x = 515,052.29

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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.