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Finding the Fourth Proportional to 531,856.76, 797,935.26 and 216,539.96

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Solution

The fourth proportional to 531,856.76, 797,935.26 and 216,539.96 is: 324,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,856.76 : 797,935.26 = 216,539.96 : x
  2. Step 2: Convert to fraction form
    531,856.76/797,935.26 = 216,539.96/x
  3. Step 3: Cross multiply
    531,856.76x = 797,935.26 × 216,539.96
  4. Step 4: Simplify right side
    531,856.76x = 172,784,869,282.99
  5. Step 5: Solve for x
    x = 172,784,869,282.99/531,856.76
  6. Step 6: Final answer
    x = 324,871.06

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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.