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Finding the Fourth Proportional to 264,899.72, 365,411.99 and 157,504.39

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Solution

The fourth proportional to 264,899.72, 365,411.99 and 157,504.39 is: 217,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,899.72 : 365,411.99 = 157,504.39 : x
  2. Step 2: Convert to fraction form
    264,899.72/365,411.99 = 157,504.39/x
  3. Step 3: Cross multiply
    264,899.72x = 365,411.99 × 157,504.39
  4. Step 4: Simplify right side
    264,899.72x = 57,553,992,063.87
  5. Step 5: Solve for x
    x = 57,553,992,063.87/264,899.72
  6. Step 6: Final answer
    x = 217,267.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.