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Finding the Fourth Proportional to 313,801.12, 433,046.15 and 170,560.82

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Solution

The fourth proportional to 313,801.12, 433,046.15 and 170,560.82 is: 235,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,801.12 : 433,046.15 = 170,560.82 : x
  2. Step 2: Convert to fraction form
    313,801.12/433,046.15 = 170,560.82/x
  3. Step 3: Cross multiply
    313,801.12x = 433,046.15 × 170,560.82
  4. Step 4: Simplify right side
    313,801.12x = 73,860,707,311.26
  5. Step 5: Solve for x
    x = 73,860,707,311.26/313,801.12
  6. Step 6: Final answer
    x = 235,374.26

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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.