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Finding the Fourth Proportional to 479,428.92, 661,611.24 and 264,568.95

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Solution

The fourth proportional to 479,428.92, 661,611.24 and 264,568.95 is: 365,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,428.92 : 661,611.24 = 264,568.95 : x
  2. Step 2: Convert to fraction form
    479,428.92/661,611.24 = 264,568.95/x
  3. Step 3: Cross multiply
    479,428.92x = 661,611.24 × 264,568.95
  4. Step 4: Simplify right side
    479,428.92x = 175,041,791,075.00
  5. Step 5: Solve for x
    x = 175,041,791,075.00/479,428.92
  6. Step 6: Final answer
    x = 365,104.78

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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.