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Finding the Fourth Proportional to 551,434.80, 826,277.40 and 364,227.60

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Solution

The fourth proportional to 551,434.80, 826,277.40 and 364,227.60 is: 545,763.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,434.80 : 826,277.40 = 364,227.60 : x
  2. Step 2: Convert to fraction form
    551,434.80/826,277.40 = 364,227.60/x
  3. Step 3: Cross multiply
    551,434.80x = 826,277.40 × 364,227.60
  4. Step 4: Simplify right side
    551,434.80x = 300,953,034,336.24
  5. Step 5: Solve for x
    x = 300,953,034,336.24/551,434.80
  6. Step 6: Final answer
    x = 545,763.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.