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Finding the Fourth Proportional to 461,480.83, 691,224.80 and 450,187.72

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Solution

The fourth proportional to 461,480.83, 691,224.80 and 450,187.72 is: 674,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,480.83 : 691,224.80 = 450,187.72 : x
  2. Step 2: Convert to fraction form
    461,480.83/691,224.80 = 450,187.72/x
  3. Step 3: Cross multiply
    461,480.83x = 691,224.80 × 450,187.72
  4. Step 4: Simplify right side
    461,480.83x = 311,180,912,740.46
  5. Step 5: Solve for x
    x = 311,180,912,740.46/461,480.83
  6. Step 6: Final answer
    x = 674,309.51

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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.