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Finding the Fourth Proportional to 364,567.20, 503,101.80 and 203,420.52

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Solution

The fourth proportional to 364,567.20, 503,101.80 and 203,420.52 is: 280,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,567.20 : 503,101.80 = 203,420.52 : x
  2. Step 2: Convert to fraction form
    364,567.20/503,101.80 = 203,420.52/x
  3. Step 3: Cross multiply
    364,567.20x = 503,101.80 × 203,420.52
  4. Step 4: Simplify right side
    364,567.20x = 102,341,229,768.94
  5. Step 5: Solve for x
    x = 102,341,229,768.94/364,567.20
  6. Step 6: Final answer
    x = 280,719.80

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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.