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Finding the Fourth Proportional to 349,214.76, 481,903.56 and 213,476.04

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Solution

The fourth proportional to 349,214.76, 481,903.56 and 213,476.04 is: 294,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,214.76 : 481,903.56 = 213,476.04 : x
  2. Step 2: Convert to fraction form
    349,214.76/481,903.56 = 213,476.04/x
  3. Step 3: Cross multiply
    349,214.76x = 481,903.56 × 213,476.04
  4. Step 4: Simplify right side
    349,214.76x = 102,874,863,650.70
  5. Step 5: Solve for x
    x = 102,874,863,650.70/349,214.76
  6. Step 6: Final answer
    x = 294,589.11

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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.