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Finding the Fourth Proportional to 492,083.15, 738,124.73 and 487,935.95

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Solution

The fourth proportional to 492,083.15, 738,124.73 and 487,935.95 is: 731,903.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,083.15 : 738,124.73 = 487,935.95 : x
  2. Step 2: Convert to fraction form
    492,083.15/738,124.73 = 487,935.95/x
  3. Step 3: Cross multiply
    492,083.15x = 738,124.73 × 487,935.95
  4. Step 4: Simplify right side
    492,083.15x = 360,157,591,351.04
  5. Step 5: Solve for x
    x = 360,157,591,351.04/492,083.15
  6. Step 6: Final answer
    x = 731,903.93

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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.