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Finding the Fourth Proportional to 637,452.79, 955,956.36 and 188,054.39

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Solution

The fourth proportional to 637,452.79, 955,956.36 and 188,054.39 is: 282,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,452.79 : 955,956.36 = 188,054.39 : x
  2. Step 2: Convert to fraction form
    637,452.79/955,956.36 = 188,054.39/x
  3. Step 3: Cross multiply
    637,452.79x = 955,956.36 × 188,054.39
  4. Step 4: Simplify right side
    637,452.79x = 179,771,790,146.42
  5. Step 5: Solve for x
    x = 179,771,790,146.42/637,452.79
  6. Step 6: Final answer
    x = 282,015.85

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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.