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Finding the Fourth Proportional to 350,473.73, 483,653.07 and 189,328.28

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Solution

The fourth proportional to 350,473.73, 483,653.07 and 189,328.28 is: 261,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,473.73 : 483,653.07 = 189,328.28 : x
  2. Step 2: Convert to fraction form
    350,473.73/483,653.07 = 189,328.28/x
  3. Step 3: Cross multiply
    350,473.73x = 483,653.07 × 189,328.28
  4. Step 4: Simplify right side
    350,473.73x = 91,569,201,441.55
  5. Step 5: Solve for x
    x = 91,569,201,441.55/350,473.73
  6. Step 6: Final answer
    x = 261,272.66

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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.