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Finding the Fourth Proportional to 531,112.16, 797,064.96 and 306,172.37

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Solution

The fourth proportional to 531,112.16, 797,064.96 and 306,172.37 is: 459,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,112.16 : 797,064.96 = 306,172.37 : x
  2. Step 2: Convert to fraction form
    531,112.16/797,064.96 = 306,172.37/x
  3. Step 3: Cross multiply
    531,112.16x = 797,064.96 × 306,172.37
  4. Step 4: Simplify right side
    531,112.16x = 244,039,263,861.83
  5. Step 5: Solve for x
    x = 244,039,263,861.83/531,112.16
  6. Step 6: Final answer
    x = 459,487.25

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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.