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Finding the Fourth Proportional to 531,945.44, 791,984.88 and 524,499.92

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Solution

The fourth proportional to 531,945.44, 791,984.88 and 524,499.92 is: 780,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,945.44 : 791,984.88 = 524,499.92 : x
  2. Step 2: Convert to fraction form
    531,945.44/791,984.88 = 524,499.92/x
  3. Step 3: Cross multiply
    531,945.44x = 791,984.88 × 524,499.92
  4. Step 4: Simplify right side
    531,945.44x = 415,396,006,201.21
  5. Step 5: Solve for x
    x = 415,396,006,201.21/531,945.44
  6. Step 6: Final answer
    x = 780,899.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.