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Finding the Fourth Proportional to 531,387.77, 797,236.95 and 171,550.19

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Solution

The fourth proportional to 531,387.77, 797,236.95 and 171,550.19 is: 257,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,387.77 : 797,236.95 = 171,550.19 : x
  2. Step 2: Convert to fraction form
    531,387.77/797,236.95 = 171,550.19/x
  3. Step 3: Cross multiply
    531,387.77x = 797,236.95 × 171,550.19
  4. Step 4: Simplify right side
    531,387.77x = 136,766,145,403.59
  5. Step 5: Solve for x
    x = 136,766,145,403.59/531,387.77
  6. Step 6: Final answer
    x = 257,375.41

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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.