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Finding the Fourth Proportional to 486,648.29, 666,697.01 and 468,454.34

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Solution

The fourth proportional to 486,648.29, 666,697.01 and 468,454.34 is: 641,771.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,648.29 : 666,697.01 = 468,454.34 : x
  2. Step 2: Convert to fraction form
    486,648.29/666,697.01 = 468,454.34/x
  3. Step 3: Cross multiply
    486,648.29x = 666,697.01 × 468,454.34
  4. Step 4: Simplify right side
    486,648.29x = 312,317,107,799.52
  5. Step 5: Solve for x
    x = 312,317,107,799.52/486,648.29
  6. Step 6: Final answer
    x = 641,771.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.