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Finding the Fourth Proportional to 531,464.56, 797,199.72 and 157,490.80

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Solution

The fourth proportional to 531,464.56, 797,199.72 and 157,490.80 is: 236,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,464.56 : 797,199.72 = 157,490.80 : x
  2. Step 2: Convert to fraction form
    531,464.56/797,199.72 = 157,490.80/x
  3. Step 3: Cross multiply
    531,464.56x = 797,199.72 × 157,490.80
  4. Step 4: Simplify right side
    531,464.56x = 125,551,621,662.58
  5. Step 5: Solve for x
    x = 125,551,621,662.58/531,464.56
  6. Step 6: Final answer
    x = 236,237.05

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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.