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Finding the Fourth Proportional to 653,558.90, 901,893.28 and 363,162.96

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Solution

The fourth proportional to 653,558.90, 901,893.28 and 363,162.96 is: 501,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,558.90 : 901,893.28 = 363,162.96 : x
  2. Step 2: Convert to fraction form
    653,558.90/901,893.28 = 363,162.96/x
  3. Step 3: Cross multiply
    653,558.90x = 901,893.28 × 363,162.96
  4. Step 4: Simplify right side
    653,558.90x = 327,534,233,168.91
  5. Step 5: Solve for x
    x = 327,534,233,168.91/653,558.90
  6. Step 6: Final answer
    x = 501,154.88

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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.