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Finding the Fourth Proportional to 496,999.80, 745,499.70 and 463,538.70

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Solution

The fourth proportional to 496,999.80, 745,499.70 and 463,538.70 is: 695,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,999.80 : 745,499.70 = 463,538.70 : x
  2. Step 2: Convert to fraction form
    496,999.80/745,499.70 = 463,538.70/x
  3. Step 3: Cross multiply
    496,999.80x = 745,499.70 × 463,538.70
  4. Step 4: Simplify right side
    496,999.80x = 345,567,961,788.39
  5. Step 5: Solve for x
    x = 345,567,961,788.39/496,999.80
  6. Step 6: Final answer
    x = 695,308.05

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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.