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Finding the Fourth Proportional to 577,636.20, 864,814.05 and 546,216.30

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Solution

The fourth proportional to 577,636.20, 864,814.05 and 546,216.30 is: 817,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,636.20 : 864,814.05 = 546,216.30 : x
  2. Step 2: Convert to fraction form
    577,636.20/864,814.05 = 546,216.30/x
  3. Step 3: Cross multiply
    577,636.20x = 864,814.05 × 546,216.30
  4. Step 4: Simplify right side
    577,636.20x = 472,375,530,579.02
  5. Step 5: Solve for x
    x = 472,375,530,579.02/577,636.20
  6. Step 6: Final answer
    x = 817,773.42

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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.