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Finding the Fourth Proportional to 814,751.76, 1,124,369.52 and 452,198.96

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Solution

The fourth proportional to 814,751.76, 1,124,369.52 and 452,198.96 is: 624,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,751.76 : 1,124,369.52 = 452,198.96 : x
  2. Step 2: Convert to fraction form
    814,751.76/1,124,369.52 = 452,198.96/x
  3. Step 3: Cross multiply
    814,751.76x = 1,124,369.52 × 452,198.96
  4. Step 4: Simplify right side
    814,751.76x = 508,438,727,599.70
  5. Step 5: Solve for x
    x = 508,438,727,599.70/814,751.76
  6. Step 6: Final answer
    x = 624,041.28

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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.