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Finding the Fourth Proportional to 1,784,425.50, 2,462,440.50 and 968,611.77

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Solution

The fourth proportional to 1,784,425.50, 2,462,440.50 and 968,611.77 is: 1,336,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,425.50 : 2,462,440.50 = 968,611.77 : x
  2. Step 2: Convert to fraction form
    1,784,425.50/2,462,440.50 = 968,611.77/x
  3. Step 3: Cross multiply
    1,784,425.50x = 2,462,440.50 × 968,611.77
  4. Step 4: Simplify right side
    1,784,425.50x = 2,385,148,851,224.69
  5. Step 5: Solve for x
    x = 2,385,148,851,224.69/1,784,425.50
  6. Step 6: Final answer
    x = 1,336,648.04

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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.