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Finding the Fourth Proportional to 430,601.81, 594,191.87 and 249,325.97

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Solution

The fourth proportional to 430,601.81, 594,191.87 and 249,325.97 is: 344,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,601.81 : 594,191.87 = 249,325.97 : x
  2. Step 2: Convert to fraction form
    430,601.81/594,191.87 = 249,325.97/x
  3. Step 3: Cross multiply
    430,601.81x = 594,191.87 × 249,325.97
  4. Step 4: Simplify right side
    430,601.81x = 148,147,465,042.72
  5. Step 5: Solve for x
    x = 148,147,465,042.72/430,601.81
  6. Step 6: Final answer
    x = 344,047.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.