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Finding the Fourth Proportional to 531,749.92, 797,775.60 and 216,433.12

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Solution

The fourth proportional to 531,749.92, 797,775.60 and 216,433.12 is: 324,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,749.92 : 797,775.60 = 216,433.12 : x
  2. Step 2: Convert to fraction form
    531,749.92/797,775.60 = 216,433.12/x
  3. Step 3: Cross multiply
    531,749.92x = 797,775.60 × 216,433.12
  4. Step 4: Simplify right side
    531,749.92x = 172,665,062,167.87
  5. Step 5: Solve for x
    x = 172,665,062,167.87/531,749.92
  6. Step 6: Final answer
    x = 324,711.03

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1.5x scale

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.