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Finding the Fourth Proportional to 531,236.25, 797,010.08 and 171,399.87

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Solution

The fourth proportional to 531,236.25, 797,010.08 and 171,399.87 is: 257,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,236.25 : 797,010.08 = 171,399.87 : x
  2. Step 2: Convert to fraction form
    531,236.25/797,010.08 = 171,399.87/x
  3. Step 3: Cross multiply
    531,236.25x = 797,010.08 × 171,399.87
  4. Step 4: Simplify right side
    531,236.25x = 136,607,423,243.69
  5. Step 5: Solve for x
    x = 136,607,423,243.69/531,236.25
  6. Step 6: Final answer
    x = 257,150.04

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1.5x scale

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.