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Finding the Fourth Proportional to 531,484.91, 797,241.19 and 152,390.33

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Solution

The fourth proportional to 531,484.91, 797,241.19 and 152,390.33 is: 228,589.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,484.91 : 797,241.19 = 152,390.33 : x
  2. Step 2: Convert to fraction form
    531,484.91/797,241.19 = 152,390.33/x
  3. Step 3: Cross multiply
    531,484.91x = 797,241.19 × 152,390.33
  4. Step 4: Simplify right side
    531,484.91x = 121,491,848,033.69
  5. Step 5: Solve for x
    x = 121,491,848,033.69/531,484.91
  6. Step 6: Final answer
    x = 228,589.46

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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.