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Finding the Fourth Proportional to 867,673.20, 1,301,704.20 and 335,146.80

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Solution

The fourth proportional to 867,673.20, 1,301,704.20 and 335,146.80 is: 502,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,673.20 : 1,301,704.20 = 335,146.80 : x
  2. Step 2: Convert to fraction form
    867,673.20/1,301,704.20 = 335,146.80/x
  3. Step 3: Cross multiply
    867,673.20x = 1,301,704.20 × 335,146.80
  4. Step 4: Simplify right side
    867,673.20x = 436,261,997,176.56
  5. Step 5: Solve for x
    x = 436,261,997,176.56/867,673.20
  6. Step 6: Final answer
    x = 502,795.29

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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.