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Finding the Fourth Proportional to 533,898.60, 800,847.90 and 503,485.80

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Solution

The fourth proportional to 533,898.60, 800,847.90 and 503,485.80 is: 755,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,898.60 : 800,847.90 = 503,485.80 : x
  2. Step 2: Convert to fraction form
    533,898.60/800,847.90 = 503,485.80/x
  3. Step 3: Cross multiply
    533,898.60x = 800,847.90 × 503,485.80
  4. Step 4: Simplify right side
    533,898.60x = 403,215,545,609.82
  5. Step 5: Solve for x
    x = 403,215,545,609.82/533,898.60
  6. Step 6: Final answer
    x = 755,228.70

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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.