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Finding the Fourth Proportional to 635,858, 953,934.70 and 186,560.72

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Solution

The fourth proportional to 635,858, 953,934.70 and 186,560.72 is: 279,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,858 : 953,934.70 = 186,560.72 : x
  2. Step 2: Convert to fraction form
    635,858/953,934.70 = 186,560.72/x
  3. Step 3: Cross multiply
    635,858x = 953,934.70 × 186,560.72
  4. Step 4: Simplify right side
    635,858x = 177,966,744,464.98
  5. Step 5: Solve for x
    x = 177,966,744,464.98/635,858
  6. Step 6: Final answer
    x = 279,884.42

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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.