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Finding the Fourth Proportional to 673,454.96, 929,343.44 and 371,642.48

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Solution

The fourth proportional to 673,454.96, 929,343.44 and 371,642.48 is: 512,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,454.96 : 929,343.44 = 371,642.48 : x
  2. Step 2: Convert to fraction form
    673,454.96/929,343.44 = 371,642.48/x
  3. Step 3: Cross multiply
    673,454.96x = 929,343.44 × 371,642.48
  4. Step 4: Simplify right side
    673,454.96x = 345,383,500,813.33
  5. Step 5: Solve for x
    x = 345,383,500,813.33/673,454.96
  6. Step 6: Final answer
    x = 512,853.15

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1.5x scale

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.