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Finding the Fourth Proportional to 671,199.88, 926,093.81 and 395,569.07

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Solution

The fourth proportional to 671,199.88, 926,093.81 and 395,569.07 is: 545,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,199.88 : 926,093.81 = 395,569.07 : x
  2. Step 2: Convert to fraction form
    671,199.88/926,093.81 = 395,569.07/x
  3. Step 3: Cross multiply
    671,199.88x = 926,093.81 × 395,569.07
  4. Step 4: Simplify right side
    671,199.88x = 366,334,065,873.22
  5. Step 5: Solve for x
    x = 366,334,065,873.22/671,199.88
  6. Step 6: Final answer
    x = 545,789.83

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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.