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Finding the Fourth Proportional to 531,688.52, 797,612.58 and 171,739.16

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Solution

The fourth proportional to 531,688.52, 797,612.58 and 171,739.16 is: 257,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,688.52 : 797,612.58 = 171,739.16 : x
  2. Step 2: Convert to fraction form
    531,688.52/797,612.58 = 171,739.16/x
  3. Step 3: Cross multiply
    531,688.52x = 797,612.58 × 171,739.16
  4. Step 4: Simplify right side
    531,688.52x = 136,981,314,494.63
  5. Step 5: Solve for x
    x = 136,981,314,494.63/531,688.52
  6. Step 6: Final answer
    x = 257,634.52

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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.