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Finding the Fourth Proportional to 492,671.62, 738,679.28 and 177,087.52

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Solution

The fourth proportional to 492,671.62, 738,679.28 and 177,087.52 is: 265,513.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,671.62 : 738,679.28 = 177,087.52 : x
  2. Step 2: Convert to fraction form
    492,671.62/738,679.28 = 177,087.52/x
  3. Step 3: Cross multiply
    492,671.62x = 738,679.28 × 177,087.52
  4. Step 4: Simplify right side
    492,671.62x = 130,810,884,060.00
  5. Step 5: Solve for x
    x = 130,810,884,060.00/492,671.62
  6. Step 6: Final answer
    x = 265,513.33

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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.