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Finding the Fourth Proportional to 452,348.84, 677,489.80 and 215,857.60

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Solution

The fourth proportional to 452,348.84, 677,489.80 and 215,857.60 is: 323,293.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,348.84 : 677,489.80 = 215,857.60 : x
  2. Step 2: Convert to fraction form
    452,348.84/677,489.80 = 215,857.60/x
  3. Step 3: Cross multiply
    452,348.84x = 677,489.80 × 215,857.60
  4. Step 4: Simplify right side
    452,348.84x = 146,241,322,252.48
  5. Step 5: Solve for x
    x = 146,241,322,252.48/452,348.84
  6. Step 6: Final answer
    x = 323,293.24

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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.