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Finding the Fourth Proportional to 502,735.96, 693,788.90 and 273,308.68

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Solution

The fourth proportional to 502,735.96, 693,788.90 and 273,308.68 is: 377,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,735.96 : 693,788.90 = 273,308.68 : x
  2. Step 2: Convert to fraction form
    502,735.96/693,788.90 = 273,308.68/x
  3. Step 3: Cross multiply
    502,735.96x = 693,788.90 × 273,308.68
  4. Step 4: Simplify right side
    502,735.96x = 189,618,528,457.65
  5. Step 5: Solve for x
    x = 189,618,528,457.65/502,735.96
  6. Step 6: Final answer
    x = 377,173.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.