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Finding the Fourth Proportional to 295,837.80, 443,454.30 and 145,847.40

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Solution

The fourth proportional to 295,837.80, 443,454.30 and 145,847.40 is: 218,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,837.80 : 443,454.30 = 145,847.40 : x
  2. Step 2: Convert to fraction form
    295,837.80/443,454.30 = 145,847.40/x
  3. Step 3: Cross multiply
    295,837.80x = 443,454.30 × 145,847.40
  4. Step 4: Simplify right side
    295,837.80x = 64,676,656,673.82
  5. Step 5: Solve for x
    x = 64,676,656,673.82/295,837.80
  6. Step 6: Final answer
    x = 218,622.02

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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.