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Finding the Fourth Proportional to 481,038.06, 721,440.44 and 200,402.22

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Solution

The fourth proportional to 481,038.06, 721,440.44 and 200,402.22 is: 300,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,038.06 : 721,440.44 = 200,402.22 : x
  2. Step 2: Convert to fraction form
    481,038.06/721,440.44 = 200,402.22/x
  3. Step 3: Cross multiply
    481,038.06x = 721,440.44 × 200,402.22
  4. Step 4: Simplify right side
    481,038.06x = 144,578,265,773.78
  5. Step 5: Solve for x
    x = 144,578,265,773.78/481,038.06
  6. Step 6: Final answer
    x = 300,554.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.