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Finding the Fourth Proportional to 531,337.71, 797,119.77 and 171,529.01

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Solution

The fourth proportional to 531,337.71, 797,119.77 and 171,529.01 is: 257,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,337.71 : 797,119.77 = 171,529.01 : x
  2. Step 2: Convert to fraction form
    531,337.71/797,119.77 = 171,529.01/x
  3. Step 3: Cross multiply
    531,337.71x = 797,119.77 × 171,529.01
  4. Step 4: Simplify right side
    531,337.71x = 136,729,162,653.56
  5. Step 5: Solve for x
    x = 136,729,162,653.56/531,337.71
  6. Step 6: Final answer
    x = 257,330.06

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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.