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Finding the Fourth Proportional to 671,701.88, 925,371.93 and 467,401.46

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Solution

The fourth proportional to 671,701.88, 925,371.93 and 467,401.46 is: 643,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,701.88 : 925,371.93 = 467,401.46 : x
  2. Step 2: Convert to fraction form
    671,701.88/925,371.93 = 467,401.46/x
  3. Step 3: Cross multiply
    671,701.88x = 925,371.93 × 467,401.46
  4. Step 4: Simplify right side
    671,701.88x = 432,520,191,125.02
  5. Step 5: Solve for x
    x = 432,520,191,125.02/671,701.88
  6. Step 6: Final answer
    x = 643,916.90

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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.