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Finding the Fourth Proportional to 348,959.01, 481,551.28 and 213,220.15

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Solution

The fourth proportional to 348,959.01, 481,551.28 and 213,220.15 is: 294,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,959.01 : 481,551.28 = 213,220.15 : x
  2. Step 2: Convert to fraction form
    348,959.01/481,551.28 = 213,220.15/x
  3. Step 3: Cross multiply
    348,959.01x = 481,551.28 × 213,220.15
  4. Step 4: Simplify right side
    348,959.01x = 102,676,436,154.29
  5. Step 5: Solve for x
    x = 102,676,436,154.29/348,959.01
  6. Step 6: Final answer
    x = 294,236.38

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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.