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Finding the Fourth Proportional to 502,662.64, 754,048.92 and 218,157.60

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Solution

The fourth proportional to 502,662.64, 754,048.92 and 218,157.60 is: 327,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,662.64 : 754,048.92 = 218,157.60 : x
  2. Step 2: Convert to fraction form
    502,662.64/754,048.92 = 218,157.60/x
  3. Step 3: Cross multiply
    502,662.64x = 754,048.92 × 218,157.60
  4. Step 4: Simplify right side
    502,662.64x = 164,501,502,669.79
  5. Step 5: Solve for x
    x = 164,501,502,669.79/502,662.64
  6. Step 6: Final answer
    x = 327,260.25

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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.