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Finding the Fourth Proportional to 454,216.36, 680,928.54 and 187,810.60

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Solution

The fourth proportional to 454,216.36, 680,928.54 and 187,810.60 is: 281,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,216.36 : 680,928.54 = 187,810.60 : x
  2. Step 2: Convert to fraction form
    454,216.36/680,928.54 = 187,810.60/x
  3. Step 3: Cross multiply
    454,216.36x = 680,928.54 × 187,810.60
  4. Step 4: Simplify right side
    454,216.36x = 127,885,597,654.52
  5. Step 5: Solve for x
    x = 127,885,597,654.52/454,216.36
  6. Step 6: Final answer
    x = 281,552.16

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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.