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Finding the Fourth Proportional to 633,758.52, 950,636.76 and 213,329.64

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Solution

The fourth proportional to 633,758.52, 950,636.76 and 213,329.64 is: 319,994.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,758.52 : 950,636.76 = 213,329.64 : x
  2. Step 2: Convert to fraction form
    633,758.52/950,636.76 = 213,329.64/x
  3. Step 3: Cross multiply
    633,758.52x = 950,636.76 × 213,329.64
  4. Step 4: Simplify right side
    633,758.52x = 202,798,997,781.57
  5. Step 5: Solve for x
    x = 202,798,997,781.57/633,758.52
  6. Step 6: Final answer
    x = 319,994.12

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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.