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Finding the Fourth Proportional to 302,997.60, 454,496.40 and 89,773.20

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Solution

The fourth proportional to 302,997.60, 454,496.40 and 89,773.20 is: 134,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,997.60 : 454,496.40 = 89,773.20 : x
  2. Step 2: Convert to fraction form
    302,997.60/454,496.40 = 89,773.20/x
  3. Step 3: Cross multiply
    302,997.60x = 454,496.40 × 89,773.20
  4. Step 4: Simplify right side
    302,997.60x = 40,801,596,216.48
  5. Step 5: Solve for x
    x = 40,801,596,216.48/302,997.60
  6. Step 6: Final answer
    x = 134,659.80

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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.