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Finding the Fourth Proportional to 552,431.23, 824,597.95 and 511,858.28

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Solution

The fourth proportional to 552,431.23, 824,597.95 and 511,858.28 is: 764,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,431.23 : 824,597.95 = 511,858.28 : x
  2. Step 2: Convert to fraction form
    552,431.23/824,597.95 = 511,858.28/x
  3. Step 3: Cross multiply
    552,431.23x = 824,597.95 × 511,858.28
  4. Step 4: Simplify right side
    552,431.23x = 422,077,288,378.53
  5. Step 5: Solve for x
    x = 422,077,288,378.53/552,431.23
  6. Step 6: Final answer
    x = 764,035.89

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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.