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Finding the Fourth Proportional to 283,662.80, 425,494.20 and 260,043.20

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Solution

The fourth proportional to 283,662.80, 425,494.20 and 260,043.20 is: 390,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,662.80 : 425,494.20 = 260,043.20 : x
  2. Step 2: Convert to fraction form
    283,662.80/425,494.20 = 260,043.20/x
  3. Step 3: Cross multiply
    283,662.80x = 425,494.20 × 260,043.20
  4. Step 4: Simplify right side
    283,662.80x = 110,646,873,349.44
  5. Step 5: Solve for x
    x = 110,646,873,349.44/283,662.80
  6. Step 6: Final answer
    x = 390,064.80

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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.