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Finding the Fourth Proportional to 452,892.64, 679,354.08 and 203,575.36

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Solution

The fourth proportional to 452,892.64, 679,354.08 and 203,575.36 is: 305,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,892.64 : 679,354.08 = 203,575.36 : x
  2. Step 2: Convert to fraction form
    452,892.64/679,354.08 = 203,575.36/x
  3. Step 3: Cross multiply
    452,892.64x = 679,354.08 × 203,575.36
  4. Step 4: Simplify right side
    452,892.64x = 138,299,751,403.47
  5. Step 5: Solve for x
    x = 138,299,751,403.47/452,892.64
  6. Step 6: Final answer
    x = 305,369.84

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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.