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Finding the Fourth Proportional to 503,847.30, 755,770.95 and 503,847.30

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Solution

The fourth proportional to 503,847.30, 755,770.95 and 503,847.30 is: 755,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,847.30 : 755,770.95 = 503,847.30 : x
  2. Step 2: Convert to fraction form
    503,847.30/755,770.95 = 503,847.30/x
  3. Step 3: Cross multiply
    503,847.30x = 755,770.95 × 503,847.30
  4. Step 4: Simplify right side
    503,847.30x = 380,793,152,575.94
  5. Step 5: Solve for x
    x = 380,793,152,575.94/503,847.30
  6. Step 6: Final answer
    x = 755,770.95

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Double scale
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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.