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Finding the Fourth Proportional to 350,773.52, 484,066.88 and 189,628.72

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Solution

The fourth proportional to 350,773.52, 484,066.88 and 189,628.72 is: 261,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,773.52 : 484,066.88 = 189,628.72 : x
  2. Step 2: Convert to fraction form
    350,773.52/484,066.88 = 189,628.72/x
  3. Step 3: Cross multiply
    350,773.52x = 484,066.88 × 189,628.72
  4. Step 4: Simplify right side
    350,773.52x = 91,792,982,848.79
  5. Step 5: Solve for x
    x = 91,792,982,848.79/350,773.52
  6. Step 6: Final answer
    x = 261,687.32

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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.