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Finding the Fourth Proportional to 633,644.20, 948,716.70 and 493,676.20

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Solution

The fourth proportional to 633,644.20, 948,716.70 and 493,676.20 is: 739,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,644.20 : 948,716.70 = 493,676.20 : x
  2. Step 2: Convert to fraction form
    633,644.20/948,716.70 = 493,676.20/x
  3. Step 3: Cross multiply
    633,644.20x = 948,716.70 × 493,676.20
  4. Step 4: Simplify right side
    633,644.20x = 468,358,855,332.54
  5. Step 5: Solve for x
    x = 468,358,855,332.54/633,644.20
  6. Step 6: Final answer
    x = 739,151.18

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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.