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Finding the Fourth Proportional to 350,817.13, 484,127.51 and 189,672.13

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Solution

The fourth proportional to 350,817.13, 484,127.51 and 189,672.13 is: 261,747.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,817.13 : 484,127.51 = 189,672.13 : x
  2. Step 2: Convert to fraction form
    350,817.13/484,127.51 = 189,672.13/x
  3. Step 3: Cross multiply
    350,817.13x = 484,127.51 × 189,672.13
  4. Step 4: Simplify right side
    350,817.13x = 91,825,496,013.30
  5. Step 5: Solve for x
    x = 91,825,496,013.30/350,817.13
  6. Step 6: Final answer
    x = 261,747.47

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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.