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Finding the Fourth Proportional to 335,157.30, 502,452.72 and 145,474.20

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Solution

The fourth proportional to 335,157.30, 502,452.72 and 145,474.20 is: 218,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,157.30 : 502,452.72 = 145,474.20 : x
  2. Step 2: Convert to fraction form
    335,157.30/502,452.72 = 145,474.20/x
  3. Step 3: Cross multiply
    335,157.30x = 502,452.72 × 145,474.20
  4. Step 4: Simplify right side
    335,157.30x = 73,093,907,479.82
  5. Step 5: Solve for x
    x = 73,093,907,479.82/335,157.30
  6. Step 6: Final answer
    x = 218,088.36

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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.