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Finding the Fourth Proportional to 350,472.06, 483,812.90 and 205,257.64

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Solution

The fourth proportional to 350,472.06, 483,812.90 and 205,257.64 is: 283,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,472.06 : 483,812.90 = 205,257.64 : x
  2. Step 2: Convert to fraction form
    350,472.06/483,812.90 = 205,257.64/x
  3. Step 3: Cross multiply
    350,472.06x = 483,812.90 × 205,257.64
  4. Step 4: Simplify right side
    350,472.06x = 99,306,294,055.56
  5. Step 5: Solve for x
    x = 99,306,294,055.56/350,472.06
  6. Step 6: Final answer
    x = 283,350.10

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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.