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Finding the Fourth Proportional to 531,390.02, 797,240.32 and 171,552.43

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Solution

The fourth proportional to 531,390.02, 797,240.32 and 171,552.43 is: 257,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,390.02 : 797,240.32 = 171,552.43 : x
  2. Step 2: Convert to fraction form
    531,390.02/797,240.32 = 171,552.43/x
  3. Step 3: Cross multiply
    531,390.02x = 797,240.32 × 171,552.43
  4. Step 4: Simplify right side
    531,390.02x = 136,768,514,189.98
  5. Step 5: Solve for x
    x = 136,768,514,189.98/531,390.02
  6. Step 6: Final answer
    x = 257,378.78

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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.