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Finding the Fourth Proportional to 452,998.64, 679,498.04 and 133,150.48

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Solution

The fourth proportional to 452,998.64, 679,498.04 and 133,150.48 is: 199,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,998.64 : 679,498.04 = 133,150.48 : x
  2. Step 2: Convert to fraction form
    452,998.64/679,498.04 = 133,150.48/x
  3. Step 3: Cross multiply
    452,998.64x = 679,498.04 × 133,150.48
  4. Step 4: Simplify right side
    452,998.64x = 90,475,490,185.06
  5. Step 5: Solve for x
    x = 90,475,490,185.06/452,998.64
  6. Step 6: Final answer
    x = 199,725.74

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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.