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Finding the Fourth Proportional to 546,009.68, 818,984.64 and 166,930.22

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Solution

The fourth proportional to 546,009.68, 818,984.64 and 166,930.22 is: 250,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,009.68 : 818,984.64 = 166,930.22 : x
  2. Step 2: Convert to fraction form
    546,009.68/818,984.64 = 166,930.22/x
  3. Step 3: Cross multiply
    546,009.68x = 818,984.64 × 166,930.22
  4. Step 4: Simplify right side
    546,009.68x = 136,713,286,131.82
  5. Step 5: Solve for x
    x = 136,713,286,131.82/546,009.68
  6. Step 6: Final answer
    x = 250,386.19

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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.