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Finding the Fourth Proportional to 293,605.60, 440,408.40 and 173,855.20

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Solution

The fourth proportional to 293,605.60, 440,408.40 and 173,855.20 is: 260,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,605.60 : 440,408.40 = 173,855.20 : x
  2. Step 2: Convert to fraction form
    293,605.60/440,408.40 = 173,855.20/x
  3. Step 3: Cross multiply
    293,605.60x = 440,408.40 × 173,855.20
  4. Step 4: Simplify right side
    293,605.60x = 76,567,290,463.68
  5. Step 5: Solve for x
    x = 76,567,290,463.68/293,605.60
  6. Step 6: Final answer
    x = 260,782.80

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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.