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Finding the Fourth Proportional to 411,087.08, 567,391.68 and 249,908

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Solution

The fourth proportional to 411,087.08, 567,391.68 and 249,908 is: 344,928.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,087.08 : 567,391.68 = 249,908 : x
  2. Step 2: Convert to fraction form
    411,087.08/567,391.68 = 249,908/x
  3. Step 3: Cross multiply
    411,087.08x = 567,391.68 × 249,908
  4. Step 4: Simplify right side
    411,087.08x = 141,795,719,965.44
  5. Step 5: Solve for x
    x = 141,795,719,965.44/411,087.08
  6. Step 6: Final answer
    x = 344,928.67

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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.