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Finding the Fourth Proportional to 364,606.20, 546,909.30 and 276,032.70

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Solution

The fourth proportional to 364,606.20, 546,909.30 and 276,032.70 is: 414,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,606.20 : 546,909.30 = 276,032.70 : x
  2. Step 2: Convert to fraction form
    364,606.20/546,909.30 = 276,032.70/x
  3. Step 3: Cross multiply
    364,606.20x = 546,909.30 × 276,032.70
  4. Step 4: Simplify right side
    364,606.20x = 150,964,850,734.11
  5. Step 5: Solve for x
    x = 150,964,850,734.11/364,606.20
  6. Step 6: Final answer
    x = 414,049.05

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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.