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Finding the Fourth Proportional to 673,674.33, 929,449.77 and 480,112.52

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Solution

The fourth proportional to 673,674.33, 929,449.77 and 480,112.52 is: 662,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,674.33 : 929,449.77 = 480,112.52 : x
  2. Step 2: Convert to fraction form
    673,674.33/929,449.77 = 480,112.52/x
  3. Step 3: Cross multiply
    673,674.33x = 929,449.77 × 480,112.52
  4. Step 4: Simplify right side
    673,674.33x = 446,240,466,640.87
  5. Step 5: Solve for x
    x = 446,240,466,640.87/673,674.33
  6. Step 6: Final answer
    x = 662,397.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.