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Finding the Fourth Proportional to 527,958.55, 791,896.51 and 148,863.97

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Solution

The fourth proportional to 527,958.55, 791,896.51 and 148,863.97 is: 223,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,958.55 : 791,896.51 = 148,863.97 : x
  2. Step 2: Convert to fraction form
    527,958.55/791,896.51 = 148,863.97/x
  3. Step 3: Cross multiply
    527,958.55x = 791,896.51 × 148,863.97
  4. Step 4: Simplify right side
    527,958.55x = 117,884,855,955.84
  5. Step 5: Solve for x
    x = 117,884,855,955.84/527,958.55
  6. Step 6: Final answer
    x = 223,284.30

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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.