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Finding the Fourth Proportional to 531,237.25, 797,011.58 and 171,400.87

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Solution

The fourth proportional to 531,237.25, 797,011.58 and 171,400.87 is: 257,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,237.25 : 797,011.58 = 171,400.87 : x
  2. Step 2: Convert to fraction form
    531,237.25/797,011.58 = 171,400.87/x
  3. Step 3: Cross multiply
    531,237.25x = 797,011.58 × 171,400.87
  4. Step 4: Simplify right side
    531,237.25x = 136,608,478,212.08
  5. Step 5: Solve for x
    x = 136,608,478,212.08/531,237.25
  6. Step 6: Final answer
    x = 257,151.54

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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.