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Finding the Fourth Proportional to 536,616.60, 804,924.90 and 347,659.80

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Solution

The fourth proportional to 536,616.60, 804,924.90 and 347,659.80 is: 521,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,616.60 : 804,924.90 = 347,659.80 : x
  2. Step 2: Convert to fraction form
    536,616.60/804,924.90 = 347,659.80/x
  3. Step 3: Cross multiply
    536,616.60x = 804,924.90 × 347,659.80
  4. Step 4: Simplify right side
    536,616.60x = 279,840,029,749.02
  5. Step 5: Solve for x
    x = 279,840,029,749.02/536,616.60
  6. Step 6: Final answer
    x = 521,489.70

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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.