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Finding the Fourth Proportional to 503,586.40, 755,379.60 and 188,026.60

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Solution

The fourth proportional to 503,586.40, 755,379.60 and 188,026.60 is: 282,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,586.40 : 755,379.60 = 188,026.60 : x
  2. Step 2: Convert to fraction form
    503,586.40/755,379.60 = 188,026.60/x
  3. Step 3: Cross multiply
    503,586.40x = 755,379.60 × 188,026.60
  4. Step 4: Simplify right side
    503,586.40x = 142,031,457,897.36
  5. Step 5: Solve for x
    x = 142,031,457,897.36/503,586.40
  6. Step 6: Final answer
    x = 282,039.90

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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.