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Finding the Fourth Proportional to 503,500.20, 755,250.30 and 483,817.20

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Solution

The fourth proportional to 503,500.20, 755,250.30 and 483,817.20 is: 725,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,500.20 : 755,250.30 = 483,817.20 : x
  2. Step 2: Convert to fraction form
    503,500.20/755,250.30 = 483,817.20/x
  3. Step 3: Cross multiply
    503,500.20x = 755,250.30 × 483,817.20
  4. Step 4: Simplify right side
    503,500.20x = 365,403,085,445.16
  5. Step 5: Solve for x
    x = 365,403,085,445.16/503,500.20
  6. Step 6: Final answer
    x = 725,725.80

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Half scale
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Double scale
Find fourth proportional to 503,501.20, 755,251.80 and 483,818.20
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.