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Finding the Fourth Proportional to 275,675.16, 413,675.24 and 115,779.15

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Solution

The fourth proportional to 275,675.16, 413,675.24 and 115,779.15 is: 173,736.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,675.16 : 413,675.24 = 115,779.15 : x
  2. Step 2: Convert to fraction form
    275,675.16/413,675.24 = 115,779.15/x
  3. Step 3: Cross multiply
    275,675.16x = 413,675.24 × 115,779.15
  4. Step 4: Simplify right side
    275,675.16x = 47,894,967,084.35
  5. Step 5: Solve for x
    x = 47,894,967,084.35/275,675.16
  6. Step 6: Final answer
    x = 173,736.97

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1.5x scale

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.