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Finding the Fourth Proportional to 635,478.66, 953,217.59 and 186,199.26

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Solution

The fourth proportional to 635,478.66, 953,217.59 and 186,199.26 is: 279,298.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,478.66 : 953,217.59 = 186,199.26 : x
  2. Step 2: Convert to fraction form
    635,478.66/953,217.59 = 186,199.26/x
  3. Step 3: Cross multiply
    635,478.66x = 953,217.59 × 186,199.26
  4. Step 4: Simplify right side
    635,478.66x = 177,488,408,945.99
  5. Step 5: Solve for x
    x = 177,488,408,945.99/635,478.66
  6. Step 6: Final answer
    x = 279,298.77

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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.