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Finding the Fourth Proportional to 547,878.63, 821,817.96 and 148,519.38

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Solution

The fourth proportional to 547,878.63, 821,817.96 and 148,519.38 is: 222,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,878.63 : 821,817.96 = 148,519.38 : x
  2. Step 2: Convert to fraction form
    547,878.63/821,817.96 = 148,519.38/x
  3. Step 3: Cross multiply
    547,878.63x = 821,817.96 × 148,519.38
  4. Step 4: Simplify right side
    547,878.63x = 122,055,893,892.07
  5. Step 5: Solve for x
    x = 122,055,893,892.07/547,878.63
  6. Step 6: Final answer
    x = 222,779.07

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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.