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Finding the Fourth Proportional to 492,086.70, 737,735.85 and 452,720.70

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Solution

The fourth proportional to 492,086.70, 737,735.85 and 452,720.70 is: 678,718.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,086.70 : 737,735.85 = 452,720.70 : x
  2. Step 2: Convert to fraction form
    492,086.70/737,735.85 = 452,720.70/x
  3. Step 3: Cross multiply
    492,086.70x = 737,735.85 × 452,720.70
  4. Step 4: Simplify right side
    492,086.70x = 333,988,290,427.10
  5. Step 5: Solve for x
    x = 333,988,290,427.10/492,086.70
  6. Step 6: Final answer
    x = 678,718.39

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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.