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Finding the Fourth Proportional to 408,310.30, 612,465.45 and 295,752.70

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Solution

The fourth proportional to 408,310.30, 612,465.45 and 295,752.70 is: 443,629.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,310.30 : 612,465.45 = 295,752.70 : x
  2. Step 2: Convert to fraction form
    408,310.30/612,465.45 = 295,752.70/x
  3. Step 3: Cross multiply
    408,310.30x = 612,465.45 × 295,752.70
  4. Step 4: Simplify right side
    408,310.30x = 181,138,310,494.22
  5. Step 5: Solve for x
    x = 181,138,310,494.22/408,310.30
  6. Step 6: Final answer
    x = 443,629.05

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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.