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Finding the Fourth Proportional to 531,901.94, 797,575.64 and 190,213.58

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Solution

The fourth proportional to 531,901.94, 797,575.64 and 190,213.58 is: 285,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,901.94 : 797,575.64 = 190,213.58 : x
  2. Step 2: Convert to fraction form
    531,901.94/797,575.64 = 190,213.58/x
  3. Step 3: Cross multiply
    531,901.94x = 797,575.64 × 190,213.58
  4. Step 4: Simplify right side
    531,901.94x = 151,709,718,848.06
  5. Step 5: Solve for x
    x = 151,709,718,848.06/531,901.94
  6. Step 6: Final answer
    x = 285,221.22

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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.