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Finding the Fourth Proportional to 673,381, 929,285.22 and 371,594.44

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Solution

The fourth proportional to 673,381, 929,285.22 and 371,594.44 is: 512,811.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,381 : 929,285.22 = 371,594.44 : x
  2. Step 2: Convert to fraction form
    673,381/929,285.22 = 371,594.44/x
  3. Step 3: Cross multiply
    673,381x = 929,285.22 × 371,594.44
  4. Step 4: Simplify right side
    673,381x = 345,317,220,926.18
  5. Step 5: Solve for x
    x = 345,317,220,926.18/673,381
  6. Step 6: Final answer
    x = 512,811.05

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1.5x scale

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.