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Finding the Fourth Proportional to 295,260.80, 442,891.20 and 200,782.40

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Solution

The fourth proportional to 295,260.80, 442,891.20 and 200,782.40 is: 301,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,260.80 : 442,891.20 = 200,782.40 : x
  2. Step 2: Convert to fraction form
    295,260.80/442,891.20 = 200,782.40/x
  3. Step 3: Cross multiply
    295,260.80x = 442,891.20 × 200,782.40
  4. Step 4: Simplify right side
    295,260.80x = 88,924,758,074.88
  5. Step 5: Solve for x
    x = 88,924,758,074.88/295,260.80
  6. Step 6: Final answer
    x = 301,173.60

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1.5x scale

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.