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Finding the Fourth Proportional to 633,716.70, 950,374.17 and 207,155.94

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Solution

The fourth proportional to 633,716.70, 950,374.17 and 207,155.94 is: 310,668.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,716.70 : 950,374.17 = 207,155.94 : x
  2. Step 2: Convert to fraction form
    633,716.70/950,374.17 = 207,155.94/x
  3. Step 3: Cross multiply
    633,716.70x = 950,374.17 × 207,155.94
  4. Step 4: Simplify right side
    633,716.70x = 196,875,654,538.07
  5. Step 5: Solve for x
    x = 196,875,654,538.07/633,716.70
  6. Step 6: Final answer
    x = 310,668.24

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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.