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Finding the Fourth Proportional to 546,074.84, 819,481.31 and 191,091.93

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Solution

The fourth proportional to 546,074.84, 819,481.31 and 191,091.93 is: 286,767.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,074.84 : 819,481.31 = 191,091.93 : x
  2. Step 2: Convert to fraction form
    546,074.84/819,481.31 = 191,091.93/x
  3. Step 3: Cross multiply
    546,074.84x = 819,481.31 × 191,091.93
  4. Step 4: Simplify right side
    546,074.84x = 156,596,264,171.37
  5. Step 5: Solve for x
    x = 156,596,264,171.37/546,074.84
  6. Step 6: Final answer
    x = 286,767.04

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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.