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Finding the Fourth Proportional to 452,595.28, 677,858.80 and 216,103.56

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Solution

The fourth proportional to 452,595.28, 677,858.80 and 216,103.56 is: 323,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,595.28 : 677,858.80 = 216,103.56 : x
  2. Step 2: Convert to fraction form
    452,595.28/677,858.80 = 216,103.56/x
  3. Step 3: Cross multiply
    452,595.28x = 677,858.80 × 216,103.56
  4. Step 4: Simplify right side
    452,595.28x = 146,487,699,857.33
  5. Step 5: Solve for x
    x = 146,487,699,857.33/452,595.28
  6. Step 6: Final answer
    x = 323,661.57

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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.