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Finding the Fourth Proportional to 633,608.20, 948,662.70 and 493,640.20

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Solution

The fourth proportional to 633,608.20, 948,662.70 and 493,640.20 is: 739,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,608.20 : 948,662.70 = 493,640.20 : x
  2. Step 2: Convert to fraction form
    633,608.20/948,662.70 = 493,640.20/x
  3. Step 3: Cross multiply
    633,608.20x = 948,662.70 × 493,640.20
  4. Step 4: Simplify right side
    633,608.20x = 468,298,044,960.54
  5. Step 5: Solve for x
    x = 468,298,044,960.54/633,608.20
  6. Step 6: Final answer
    x = 739,097.20

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1.5x scale

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.