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Finding the Fourth Proportional to 679,266.64, 937,397.70 and 373,371.34

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Solution

The fourth proportional to 679,266.64, 937,397.70 and 373,371.34 is: 515,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,266.64 : 937,397.70 = 373,371.34 : x
  2. Step 2: Convert to fraction form
    679,266.64/937,397.70 = 373,371.34/x
  3. Step 3: Cross multiply
    679,266.64x = 937,397.70 × 373,371.34
  4. Step 4: Simplify right side
    679,266.64x = 349,997,435,361.92
  5. Step 5: Solve for x
    x = 349,997,435,361.92/679,266.64
  6. Step 6: Final answer
    x = 515,257.80

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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.