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Finding the Fourth Proportional to 496,245.36, 744,368.04 and 215,762.64

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Solution

The fourth proportional to 496,245.36, 744,368.04 and 215,762.64 is: 323,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,245.36 : 744,368.04 = 215,762.64 : x
  2. Step 2: Convert to fraction form
    496,245.36/744,368.04 = 215,762.64/x
  3. Step 3: Cross multiply
    496,245.36x = 744,368.04 × 215,762.64
  4. Step 4: Simplify right side
    496,245.36x = 160,606,813,442.03
  5. Step 5: Solve for x
    x = 160,606,813,442.03/496,245.36
  6. Step 6: Final answer
    x = 323,643.96

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Similar ratio
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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.