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Finding the Fourth Proportional to 394,294.92, 544,113.96 and 249,178.24

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Solution

The fourth proportional to 394,294.92, 544,113.96 and 249,178.24 is: 343,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,294.92 : 544,113.96 = 249,178.24 : x
  2. Step 2: Convert to fraction form
    394,294.92/544,113.96 = 249,178.24/x
  3. Step 3: Cross multiply
    394,294.92x = 544,113.96 × 249,178.24
  4. Step 4: Simplify right side
    394,294.92x = 135,581,358,912.23
  5. Step 5: Solve for x
    x = 135,581,358,912.23/394,294.92
  6. Step 6: Final answer
    x = 343,857.74

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1.5x scale

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.