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Finding the Fourth Proportional to 533,907.60, 800,861.40 and 503,494.80

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Solution

The fourth proportional to 533,907.60, 800,861.40 and 503,494.80 is: 755,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,907.60 : 800,861.40 = 503,494.80 : x
  2. Step 2: Convert to fraction form
    533,907.60/800,861.40 = 503,494.80/x
  3. Step 3: Cross multiply
    533,907.60x = 800,861.40 × 503,494.80
  4. Step 4: Simplify right side
    533,907.60x = 403,229,550,420.72
  5. Step 5: Solve for x
    x = 403,229,550,420.72/533,907.60
  6. Step 6: Final answer
    x = 755,242.20

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Similar ratio
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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.