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Finding the Fourth Proportional to 888,008.64, 1,225,427.04 and 485,592

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Solution

The fourth proportional to 888,008.64, 1,225,427.04 and 485,592 is: 670,103.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,008.64 : 1,225,427.04 = 485,592 : x
  2. Step 2: Convert to fraction form
    888,008.64/1,225,427.04 = 485,592/x
  3. Step 3: Cross multiply
    888,008.64x = 1,225,427.04 × 485,592
  4. Step 4: Simplify right side
    888,008.64x = 595,057,567,207.68
  5. Step 5: Solve for x
    x = 595,057,567,207.68/888,008.64
  6. Step 6: Final answer
    x = 670,103.35

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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.