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Finding the Fourth Proportional to 531,492.26, 797,318.69 and 171,542.81

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Solution

The fourth proportional to 531,492.26, 797,318.69 and 171,542.81 is: 257,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,492.26 : 797,318.69 = 171,542.81 : x
  2. Step 2: Convert to fraction form
    531,492.26/797,318.69 = 171,542.81/x
  3. Step 3: Cross multiply
    531,492.26x = 797,318.69 × 171,542.81
  4. Step 4: Simplify right side
    531,492.26x = 136,774,290,648.63
  5. Step 5: Solve for x
    x = 136,774,290,648.63/531,492.26
  6. Step 6: Final answer
    x = 257,340.14

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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.