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Finding the Fourth Proportional to 451,724.95, 676,683.92 and 271,710.96

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Solution

The fourth proportional to 451,724.95, 676,683.92 and 271,710.96 is: 407,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,724.95 : 676,683.92 = 271,710.96 : x
  2. Step 2: Convert to fraction form
    451,724.95/676,683.92 = 271,710.96/x
  3. Step 3: Cross multiply
    451,724.95x = 676,683.92 × 271,710.96
  4. Step 4: Simplify right side
    451,724.95x = 183,862,435,661.48
  5. Step 5: Solve for x
    x = 183,862,435,661.48/451,724.95
  6. Step 6: Final answer
    x = 407,022.98

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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.