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Finding the Fourth Proportional to 602,625.45, 831,620.84 and 330,697.92

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Solution

The fourth proportional to 602,625.45, 831,620.84 and 330,697.92 is: 456,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,625.45 : 831,620.84 = 330,697.92 : x
  2. Step 2: Convert to fraction form
    602,625.45/831,620.84 = 330,697.92/x
  3. Step 3: Cross multiply
    602,625.45x = 831,620.84 × 330,697.92
  4. Step 4: Simplify right side
    602,625.45x = 275,015,280,363.16
  5. Step 5: Solve for x
    x = 275,015,280,363.16/602,625.45
  6. Step 6: Final answer
    x = 456,361.88

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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.